|
05008 |
"Horseback" in the Lakeside Coal Company mine, Pekin, Tazewell County, Illinois |
|
slide and negative available |
Photographs; Mines and mining; Underground mining; Coal; Tazewell County |
|
More Info |
|
05007 |
Laboratory hydrocyclone used to effect sand-clay separation |
|
No negative |
Photographs; Laboratory apparatus; Hydrocyclone; Sand; Clay |
Industrial Minerals Notes 36 |
More Info |
|
04975 |
Small-scale strip mining of coal in southern Illinois |
|
No negative; No digital file created |
Photographs; Mines and mining; Surface mining; Coal; Machinery; Southern Illinois |
|
More Info |
|
04940 |
Pumpjack at the Salem field |
|
No negative |
Photographs; Petroleum; Well apparatus; Pumpjack |
|
More Info |
|
04834 |
Core showing white brachiopod zone over coralline Cedar Valley Limestone, crinoidal and bryozoan hash, Wapella East Pool, DeWitt County, Illinois |
|
No negative |
Core; Cedar Valley Limestone; Wapella East Pool; DeWitt County |
|
More Info |
|
04833 |
Core showing lithographic Cedar Valley Limestone and Cedar Valley with Stromatoporoids and Hexagonaria coral, Wapella East Pool, DeWitt County, Illinois |
|
No negative |
Core; Cedar Valley Limestone; Wapella East Pool; DeWitt County |
|
More Info |
|
04832 |
Core showing fissure fill in Silurian reef, Wapella East Pool, DeWitt County, Illinois |
|
No negative |
Core; Reef; Silurian; Wapella East Pool; DeWitt County |
|
More Info |
|
04831 |
Silurian interreef rock, showing oil stained reef core and fissure filling, Wapella East Pool, DeWitt County, Illinois |
|
No negative |
Interreef rock; Wapella East Pool; Petroleum; DeWitt County |
|
More Info |
|
04830 |
Electric logs with Devonian and Silurian core descriptions, Wapella East Pool, DeWitt County, Illinois |
|
No negative |
Diagrams; Geophysical methods; Devonian; Silurian; Wapella East Pool; DeWitt County |
|
More Info |
|
04829 |
Photograph of core from the Wapella East Pool, showing Devonian-Silurian contacts |
|
No negative |
Core; Silurian; Devonian; Wapella East Pool; DeWitt County |
|
More Info |
|
04821 |
Photograph of a core from the top of the Silurian in the Garland and Hoovler no. 1, showing the rubble zone |
|
Oleson; section 25, T22N, R4E; slide and negative available |
Core; Silurian |
|
More Info |
|
04808 |
View of the wall of Pine Hill Quarry showing the lower Chester, Rockcastle County, Kentucky |
1963 |
slide and negative available |
Photographs; Mines and mining; surface mining; Limestone; Kentucky |
|
More Info |
|
04783 |
Photomicrograph of thin section that has been acid-treated to remove carbonates showing an oolite grain partly replaced by fluorite (dark gray) |
1963 |
Transmitted light; slide and negative available |
Photomicrographs; Thin sections; Oolites; Fluorite |
Baxter, J.W. |
More Info |
|
04782 |
Photomicrograph of thin section that has been acid-treated to remove carbonates showing a surficial replacement layer of fluorite and replacement along a minute crack |
1963 |
Transmitted light; slide and negative available |
Photomicrographs; Thin sections; Oolites; Fluorite |
Baxter, J.W. |
More Info |
|
04781 |
Photomicrograph of thin section showing a replacement fluorite layer (black) coating an oolite rock fragment |
1963 |
Transmitted light; slide and negative available |
Photomicrographs; Thin sections; Oolites; Fluorite |
Baxter, J.W. |
More Info |
|
04780 |
Photomicrograph of thin section of small oolite chips having thin marginal deposits of fluorite that appear black |
1963 |
Transmitted light; slide and negative available |
Photomicrographs; Thin sections; Oolites; Fluorite |
Baxter, J.W. |
More Info |
|
04779 |
Photomicrographs of polished sections of large piece of oolite having marginal replacement layer of fluorite |
1963 |
Two slides; Preservation of oolitic texture of original rock is well shown in upper left as a sharp line between oolite grains and calcite matrix indicating selective replacement of grains; Reflected light; Photo B is and enlargement of upper left corner of Photo A; slide and negative available |
Photomicrographs; Polished sections; Oolites; Fluorite |
Baxter, J.W. |
More Info |
|
04687 |
Photomicrograph of Salem Limestone, Shaffer Hollow, near Valmeyer, Monroe County, Illinois |
1950 |
magnified x40; No negative |
Photomicrographs; Thin sections; Limestone |
|
More Info |
|
04679 |
Photomicrographs of Calcisphaera in Salem Limestone, Chalfin Member |
1959 |
slide and negative available |
Photomicrographs; Thin sections; Salem Limestone |
|
More Info |
|
04678 |
Photomicrograph of Salem Limestone, oolites, pellets, etc. |
1959 |
slide and negative available |
Photomicrographs; Thin sections; Salem Limestone |
|
More Info |
