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...he Pleistocene of Illinois (fig. 1). The name is derived from the Aftonian Stage, which was first described ...s at that locality are between two tills, subsequently correlated with the Kansan and Nebraskan, but no well developed zonal soil occurs between them. <br>

...osits of Illinoian age. He described the soil as the weathered zone on the Kansan drift. ...he period of soil formation may have been much longer than the Yarmouthian Stage, and the soil was truncated before deposition of the overlying Loveland Sil

...s at that locality are between two tills, subsequently correlated with the Kansan and Nebraskan, but no well developed zonal soil occurs between them. <br> ...ained because of the long-established use of Aftonian for the interglacial stage, in spite of the absence of the soil at the original type locality and cons

...osits of Illinoian age. He described the soil as the weathered zone on the Kansan drift. ...he period of soil formation may have been much longer than the Yarmouthian Stage, and the soil was truncated before deposition of the overlying Loveland Sil

...by Silt is in the earliest part of the Jubileean Substage of the Illinoian Stage. It is a pro-glacial deposit of the advancing glacier that deposited the Ra JOHNSON, W. H., 1964, Stratigraphy and petrography of Illinoian and Kansan drift in central Illinois: Illinois State Geological Survey Circular 378, 3

The Loveland Silt occurs stratigraphically above the Kansan Till and below loess now correlated with the Roxana. Kay and Graham (1943) ...ies in western Illinois, in northwestern Illinois, and also in the area of Kansan glaciation in western Illinois (pl.2). In these areas it is a distinctive r

The Loveland Silt occurs stratigraphically above the Kansan Till and below loess now correlated with the Roxana. Kay and Graham (1943) ...ies in western Illinois, in northwestern Illinois, and also in the area of Kansan glaciation in western Illinois (pl.2). In these areas it is a distinctive r

...by Silt is in the earliest part of the Jubileean Substage of the Illinoian Stage. It is a pro-glacial deposit of the advancing glacier that deposited the Ra JOHNSON, W. H., 1964, Stratigraphy and petrography of Illinoian and Kansan drift in central Illinois: Illinois State Geological Survey Circular 378, 3

...leistocene Series includes the Holocene (Recent), which is classified as a stage rather than as a separate series, the usage accepted by many others. ...zed representation of stratigraphic relations of deposits of the Illinoian Stage in west-central and western Illinois is shown by figure Q-7, and another of

...leistocene Series includes the Holocene (Recent), which is classified as a stage rather than as a separate series, the usage accepted by many others. ...zed representation of stratigraphic relations of deposits of the Illinoian Stage in west-central and western Illinois is shown by figure Q-7, and another of

...l but the earliest part of the Illinoian Stage, and all of the Sangamonian Stage. It is largely the deposit of glaciers of the Lake Michigan Lobe, but the d JOHNSON, W. H., 1964, Stratigraphy and petrography of Illinoian and Kansan drift in central Illinois: Illinois State Geological Survey Circular 378, 3

...l but the earliest part of the Illinoian Stage, and all of the Sangamonian Stage. It is largely the deposit of glaciers of the Lake Michigan Lobe, but the d JOHNSON, W. H., 1964, Stratigraphy and petrography of Illinoian and Kansan drift in central Illinois: Illinois State Geological Survey Circular 378, 3