were determined independently by each of us, and neither suite of sites was chosen on the basis of glacial lobe delineation.
Stratigraphy and correlation of the glacial deposits of the glacial lobe complex in Minnesota and northwestern Wisconsin.
The Illinois glacial lobe
. United States Geological Survey Monograph, 38:817.
Guidebook to the depositional facies of Wisconsinan ice-sheet materials of the Scioto Glacial Lobe
, central Ohio.
This is probably a correlative of the Farmdalian interstadial substage described (by Frye and Willman 1960) in the area of the Lake Michigan glacial lobe. These data extend the range of the Jefferson mammoth back into prehistory much farther than was previously known.
Classification of the Wisconsin stage in the Lake Michigan glacial lobe. Circular 285, Division of the Illinois State Geological Survey, 1-16.
The source and provenance of these Paleozoic microfossils would require careful correlation of types and frequencies of the palynomorphs with in situ rock strata in the areas overridden by the Saginaw glacial lobe. They were most likely derived from areas within the Michigan sedimentary basin northeast of the site.
The locality is at the extreme outer margin of the Kalamazoo-Mississinewa moraine complex, adjacent to the retreating margin of the Saginaw glacial lobe (Farrand and Eschman 1974).
However the sand size fractions of tills from the Lake Michigan and Saginaw glacial lobes
are dominated by quartz and feldspar at all size fractions and do not show an increase in denser minerals at finer grain sizes.
Pebble and sand lithology of the major Wisconsin glacial lobes
of the Central Lowland.
At the maximum extent, the glacial lobes completely covered Michigan and expanded into south central Indiana and southwestern Ohio.
approximately one-half of the land surface of the lower peninsula was deglaciated with the hilly topography of the areas between the major glacial lobes already exposed.