Indiana University
Indiana University Bloomington: Sedimentary Structures
This resource explains the depositional processes that occur in sedimentary rock formation to produce stratification, cross-bedding, graded bedding, rippled effects, and solidified mud cracks. Includes photographs of each type.
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Indiana University
Indiana University Bloomington: Earthquakes in Indiana [Pdf]
A detailed brochure with lots of information about the earthquakes that occur in Indiana. Discusses plate tectonics, how fault zones developed in the Mississippi River Valley, faults in Indiana, earthquakes that affected Indiana in the...
Indiana University
Indiana University Bloomington: Mohs Hardness Scale [Pdf]
A chart of Mohs hardness scale with pictures of minerals at each level of hardness.
Indiana University
Indiana University Bloomington: Geo Notes: Gold and Diamonds in Indiana [Pdf]
Briefly describes how gold and diamonds came to be deposited in the streams of Indiana.
Indiana University
Indiana University Bloomington: Geo Notes: Loess: Product of Ice Age Winds [Pdf]
Explains how loess came to be deposited over much of Indiana by the melting of glaciers during the Ice Age.
Indiana University
Indiana University Bloomington: Geo Notes: Geothermal Resources in Indiana [Pdf]
Describes how geothermal energy is harnessed in Indiana.
Indiana University
Indiana University Bloomington: Geo Notes: Glacial Erratics: Marker Rocks [Pdf]
Describes erratics found in Indiana that were deposited there through the process of glaciation.