https://ilstratwiki.web.illinois.edu/index.php?title=Gentry_Coal_Bed&feed=atom&action=history
Gentry Coal Bed - Revision history
2024-03-28T13:10:43Z
Revision history for this page on the wiki
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https://ilstratwiki.web.illinois.edu/index.php?title=Gentry_Coal_Bed&diff=19632&oldid=prev
Jennifer.Obrad: /* Primary source */
2022-02-09T16:34:05Z
<p><span dir="auto"><span class="autocomment">Primary source</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 16:34, 9 February 2022</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Primary source==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Primary source==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Nelson, W.J., <del style="font-weight: bold; text-decoration: none;">2020</del>, Pennsylvanian Subsystem in Illinois: Illinois State Geological Survey Bulletin (in press)<del style="font-weight: bold; text-decoration: none;">. <br></del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Nelson, W.J., <ins style="font-weight: bold; text-decoration: none;">P.H. Heckel and J.M. Obrad, 2022</ins>, Pennsylvanian Subsystem in Illinois: Illinois State Geological Survey<ins style="font-weight: bold; text-decoration: none;">, </ins>Bulletin (in press).</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">Edited and figures drafted by Jennifer M. Obrad</del>.</div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Contributing author&#40;s&#41;==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Contributing author&#40;s&#41;==</div></td></tr>
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Jennifer.Obrad
https://ilstratwiki.web.illinois.edu/index.php?title=Gentry_Coal_Bed&diff=19034&oldid=prev
Jennifer.Obrad at 21:36, 24 November 2020
2020-11-24T21:36:14Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 21:36, 24 November 2020</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>===Derivation===</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>===Derivation===</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>The coal was named for Gentry (or Gentry’s) Landing on the Ohio River in Hardin County, Illinois (Figure 2-1). Older versions of the Shawneetown 15-minute topographic map locate Gentry Landing south of Battery Rock in the NW¼ of <del style="font-weight: bold; text-decoration: none;">Sec</del>. 35, T11S, R10E.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>The coal was named for Gentry (or Gentry’s) Landing on the Ohio River in Hardin County, Illinois (Figure 2-1). Older versions of the Shawneetown 15-minute topographic map locate Gentry Landing south of Battery Rock in the NW¼ of <ins style="font-weight: bold; text-decoration: none;">sec</ins>. 35, T11S, R10E.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>===Other names===</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>===Other names===</div></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>===Type location===</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>===Type location===</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>According to Kosanke et al. (1960), the stratotype resides just south of Battery Rock in SW¼, <del style="font-weight: bold; text-decoration: none;">Sec</del>. 26, T11S, R10E, Hardin County. This section has not been described in print, and ISGS field notes for the area do not mention coal. However, Baxter et al. (1963, p. 25) reported that the coal is best exposed northwest of Battery Rock in the SW¼ NE¼ of <del style="font-weight: bold; text-decoration: none;">Sec</del>. 27, in the same township where Worthen and Englemann (1866, p. 360–361) described the coal in some detail and fixed its stratigraphic position. Pending further field work in the area, the site identified by Baxter et al. (1963) is hereby considered the type locality.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>According to Kosanke et al. (1960), the stratotype resides just south of Battery Rock in SW¼, <ins style="font-weight: bold; text-decoration: none;">sec</ins>. 26, T11S, R10E, Hardin County. This section has not been described in print, and ISGS field notes for the area do not mention coal. However, Baxter et al. (1963, p. 25) reported that the coal is best exposed northwest of Battery Rock in the SW¼ NE¼ of <ins style="font-weight: bold; text-decoration: none;">sec</ins>. 27, in the same township where Worthen and Englemann (1866, p. 360–361) described the coal in some detail and fixed its stratigraphic position. Pending further field work in the area, the site identified by Baxter et al. (1963) is hereby considered the type locality.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>===Type author&#40;s&#41;===</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>===Type author&#40;s&#41;===</div></td></tr>
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Jennifer.Obrad
https://ilstratwiki.web.illinois.edu/index.php?title=Gentry_Coal_Bed&diff=19014&oldid=prev
Jennifer.Obrad: /* Primary source */
2020-07-20T21:33:17Z
<p><span dir="auto"><span class="autocomment">Primary source</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 21:33, 20 July 2020</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Primary source==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Primary source==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Nelson, W.J., <del style="font-weight: bold; text-decoration: none;">2018</del>, Pennsylvanian Subsystem in Illinois. Edited and figures drafted by Jennifer M. Obrad<del style="font-weight: bold; text-decoration: none;">. Illinois State Geological Survey Bulletin (in press)</del>.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Nelson, W.J., <ins style="font-weight: bold; text-decoration: none;">2020</ins>, Pennsylvanian Subsystem in Illinois<ins style="font-weight: bold; text-decoration: none;">: Illinois State Geological Survey Bulletin (in press)</ins>. <ins style="font-weight: bold; text-decoration: none;"><br></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Edited and figures drafted by Jennifer M. Obrad.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Contributing author&#40;s&#41;==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Contributing author&#40;s&#41;==</div></td></tr>
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Jennifer.Obrad
https://ilstratwiki.web.illinois.edu/index.php?title=Gentry_Coal_Bed&diff=18972&oldid=prev
Jennifer.Obrad at 19:41, 17 July 2020
2020-07-17T19:41:02Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 19:41, 17 July 2020</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Name==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Name==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[file:Penn_caseyville_2-1.jpg|250px|{{file:Penn_caseyville_2-1.jpg}}|thumb]]</ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>===Original description===</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>===Original description===</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Owen (1856, No. 1 vertical section) first observed this unit and named it the Battery Rock coal.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Owen (1856, No. 1 vertical section) first observed this unit and named it the Battery Rock coal.</div></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>===Derivation===</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>===Derivation===</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The coal was named for Gentry (or Gentry’s) Landing on the Ohio River in Hardin County, Illinois (Figure 2-1). Older versions of the Shawneetown 15-minute topographic map locate Gentry Landing south of Battery Rock in the NW¼ of Sec. 35, T11S, R10E.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The coal was named for Gentry (or Gentry’s) Landing on the Ohio River in Hardin County, Illinois (Figure 2-1). Older versions of the Shawneetown 15-minute topographic map locate Gentry Landing south of Battery Rock in the NW¼ of Sec. 35, T11S, R10E.</div></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>===Other names===</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>===Other names===</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l61">Line 61:</td>
<td colspan="2" class="diff-lineno">Line 51:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Stratigraphic relationships==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Stratigraphic relationships==</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[file:Penn_caseyville_2-6.jpg|250px|{{file:Penn_caseyville_2-6.jpg}}|left|thumb]]</ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Most authors are rather vague in locating the Battery Rock/Gentry Coal. The most definite statement is found in Worthen and Englemann (1866, p. 360–361), who wrote, “Above the lower sandstone at Battery Rock there is about 60 ft [18 m] of shale, then the Battery Rock coal seam, capped by shales and sandstone.” From the map by Baxter et al. (1963), the “lower sandstone” is what is presently called the Battery Rock Sandstone Member. In the Caseyville type section described by Lee (1916), the Battery Rock coal appears considerably higher above the conglomeratic sandstone (Figure 2-1), but if the thinly bedded sandstone above the conglomerate is considered part of the [[Battery Rock Sandstone Member|Battery Rock Member]], then Lee (1916) is more nearly in agreement with Worthen and Englemann (1866).<br></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Most authors are rather vague in locating the Battery Rock/Gentry Coal. The most definite statement is found in Worthen and Englemann (1866, p. 360–361), who wrote, “Above the lower sandstone at Battery Rock there is about 60 ft [18 m] of shale, then the Battery Rock coal seam, capped by shales and sandstone.” From the map by Baxter et al. (1963), the “lower sandstone” is what is presently called the Battery Rock Sandstone Member. In the Caseyville type section described by Lee (1916), the Battery Rock coal appears considerably higher above the conglomeratic sandstone (Figure 2-1), but if the thinly bedded sandstone above the conglomerate is considered part of the [[Battery Rock Sandstone Member|Battery Rock Member]], then Lee (1916) is more nearly in agreement with Worthen and Englemann (1866).<br></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Baxter et al. (1963) believed the Gentry Coal to be younger than the [[Sellers Limestone Bed|Sellers Limestone]], and their opinion carried forward to Willman et al. (1975). However, Lee’s (1916) section shows the limestone above the coal. Baxter et al. (1963) mapped the top of the Battery Rock Sandstone near the base of the bluff at the Sellers type locality. With reference to field notes from the type Sellers Limestone locality, the Sellers lies a short distance above the Gentry Coal (Figure 2-6).<br></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Baxter et al. (1963) believed the Gentry Coal to be younger than the [[Sellers Limestone Bed|Sellers Limestone]], and their opinion carried forward to Willman et al. (1975). However, Lee’s (1916) section shows the limestone above the coal. Baxter et al. (1963) mapped the top of the Battery Rock Sandstone near the base of the bluff at the Sellers type locality. With reference to field notes from the type Sellers Limestone locality, the Sellers lies a short distance above the Gentry Coal (Figure 2-6).<br></div></td></tr>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></center></del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Nelson et al. (1991) reported coal within 10 ft (3 m) above the top of the [[Battery Rock Sandstone Member|Battery Rock Sandstone]] at several localities in Johnson and Pope Counties. Palynology of this coal, examined by R.A. Peppers, was similar to that of the type Gentry. A younger coal bed a short distance beneath the [[Pounds Sandstone Member|Pounds Sandstone]] contained a spore flora distinct from that of the Gentry.<br></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Nelson et al. (1991) reported coal within 10 ft (3 m) above the top of the [[Battery Rock Sandstone Member|Battery Rock Sandstone]] at several localities in Johnson and Pope Counties. Palynology of this coal, examined by R.A. Peppers, was similar to that of the type Gentry. A younger coal bed a short distance beneath the [[Pounds Sandstone Member|Pounds Sandstone]] contained a spore flora distinct from that of the Gentry.<br></div></td></tr>
</table>
Jennifer.Obrad
https://ilstratwiki.web.illinois.edu/index.php?title=Gentry_Coal_Bed&diff=16861&oldid=prev
Jennifer.Obrad at 20:21, 24 July 2018
2018-07-24T20:21:57Z
<p></p>
<a href="https://ilstratwiki.web.illinois.edu/index.php?title=Gentry_Coal_Bed&diff=16861&oldid=16857">Show changes</a>
Jennifer.Obrad
https://ilstratwiki.web.illinois.edu/index.php?title=Gentry_Coal_Bed&diff=16857&oldid=prev
Jennifer.Obrad: IlLex moved page Gentry Coal Member to Gentry Coal Bed without leaving a redirect
2018-07-24T17:10:03Z
<p>IlLex moved page <a href="/index.php?title=Gentry_Coal_Member&action=edit&redlink=1" class="new" title="Gentry Coal Member (page does not exist)">Gentry Coal Member</a> to <a href="/wiki/Gentry_Coal_Bed" title="Gentry Coal Bed">Gentry Coal Bed</a> without leaving a redirect</p>
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<td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
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Jennifer.Obrad
https://ilstratwiki.web.illinois.edu/index.php?title=Gentry_Coal_Bed&diff=16428&oldid=prev
Jennifer.Obrad at 22:41, 27 January 2017
2017-01-27T22:41:53Z
<p></p>
<p><b>New page</b></p><div>{{Editwithform}}<br />
{{Tree<br />
|category1=Paleozoic Erathem<br />
|category2=Pennsylvanian Subsystem<br />
|category3=Absaroka Sequence<br />
|category4=McCormick Group<br />
|category5=Morrowan Series<br />
|category6=Caseyville Formation<br />
|category7=Coal<br />
|tree1=McCormick Group<br />
|tree2=Caseyville Formation<br />
|tree3=Gentry Coal Member<br />
|tree21=Paleozoic Erathem<br />
|tree22=Pennsylvanian Subsystem<br />
|tree23=Morrowan Series<br />
|tree31=Absaroka Sequence<br />
}}<br />
==Primary source==<br />
Willman, H. B., Elwood Atherton, T. C. Buschbach, Charles Collinson, John C. Frye, M. E. Hopkins, Jerry A. Lineback, and Jack A. Simon, 1975, Handbook of Illinois Stratigraphy: Illinois State Geological Survey Bulletin 95, 261 p.<br />
<br />
==Contributing author&#40;s&#41;==<br />
M. E. Hopkins and J. A. Simon<br />
<br />
==Name==<br />
<br />
===Original description===<br />
The Gentry Coal Member of the Caseyville Formation (Kosanke et al., 1960, p. 29).<br />
<br />
===Derivation===<br />
Named for Gentry Landing, Hardin County.<br />
<br />
===Other names===<br />
It previously was called the Battery Rock Coal (Owen, 1856, No. 1 vertical section).<br />
<br />
===History&#47;background===<br />
<br />
==Type section==<br />
<br />
===Type location===<br />
The type locality consists of exposures near Gentry Landing (SW 26, 11S-10E).<br />
<br />
===Type author&#40;s&#41;===<br />
<br />
===Type status===<br />
<br />
==Reference section==<br />
<br />
===Reference location===<br />
<br />
===Reference author&#40;s&#41;===<br />
<br />
===Reference status===<br />
<br />
==Stratigraphic relationships==<br />
Its exact relation to the Sellers Limestone has not been established, although field relations suggest that the Gentry is slightly above the Sellers.<br />
<br />
==Extent and thickness==<br />
<br />
==Lithology==<br />
The Gentry Coal has been identified as a thin coal in several scattered localities in southeastern Illinois but is apparently not persistent. It was mined more than 100 years ago in small mines near the settlement of Lamb in Hardin County. It is underlain by a thin underclay, which overlies a thick, gray, silty shale that is equivalent to part of the Drury Shale. It is overlain by a shale that also is equivalent to part of the Drury Shale.<br />
<br />
==Core&#40;s&#41;==<br />
<br />
==Photograph&#40;s&#41;==<br />
<br />
==Contacts==<br />
<br />
==Well log characteristics==<br />
<br />
==Fossils==<br />
<br />
==Age and correlation==<br />
<br />
==Environments of deposition==<br />
<br />
==Economic importance==<br />
<br />
==Remarks==<br />
<br />
==References==<br />
KOSANKE, R. M., J. A. SIMON, H. R. WANLESS, and H. B. WILLMAN, 1960, Classification of the Pennsylvanian strata of Illinois: Illinois State Geological Survey Report of Investigations 214, 84 p.<br><br />
OWEN, D. D., 1856, Report of the geological survey in Kentucky made during the years 1854 and 1855: Kentucky Geological Survey Bulletin, v. I, Series 1, 416 p.<br />
<br />
{{Codes<br />
|membercode=3900<br />
|geo_unit=--<br />
}}</div>
Jennifer.Obrad