Dubois / Shelby County, Indiana / Illinois, United States, North America
Accession Date:
29 Dec 2016
Collection Date:
3 Feb 1991
Notes:
L-212 (Holland Chert): Unkown collection procedure. Collection includes raw material, outer surface, modern flint-knappers' works, and heat-treated specimens.
L-212 (Holland Chert)
Holland chert is also known as Derby, Ferdinand, and Upper Huntingburg. It is a light gray, gray mottled chert, variable in color: medium bluish gray (5B 5/1), light bluish gray (5B 7/1), yellowish gray (5Y 8/1), light brownish gray (5YR 6/4). It has sponge spicule inclusions and a very smooth opaque texture.
Geology remarks: Epoch- Pennsylvanian, Stage- Desmoinesian, Group- Raccoon Creek, Form- Staunton, Member- Holland Limestone