Lawrence County SD CITIES: Central City, Cheyenne Crossing, Deadwood, Lead, Nemo, Saint Onge, Spearfish, Whitewood
LODGING: Deadwood, Lead, Nemo Guest Ranch, Spearfish

This site was last updated Thursday, 25 June 2009

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American West History
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Black Hills area
GEOLOGY & FOSSILS

GENERAL INFO

The Geology of South Dakota, northern.edu

Department of Geology and Geological Engineering, SD School of Mines and Technology

Geology of Central-Western South Dakota

Geologic Time Scale in Historical Perspective, UCMP

Geological Timeline tour, UC Museum of Paleontology

Rose Quartz, northern.edu

Web Geological Time Machine, UCMP


MAPS
Generalized Stratigraphic Column of Central and NW South Dakota, Robert A Schoon

Geology Map, western SD

Tour Map, western SD


BLACK HILLS
Jurassic and Triassic (shale, sandstone, redbeds)
Paleozoic (limestone, shale, sandstone)
Metamorphic Rocks (schist, slate, quartzite)
Igneous Rocks (granite, rhyolite, phonolite)

Mesozoic Era, Central Western SD

Introduction to the Mesozoic Era, UCMP

Cenozoic Era, Central-Western SD

Introduction to the Cenozoic Era, UCMP


AMMONITES
Ammonites, Fox Hills Formation, SD

Ammonites, Pierre Shale, SD


BADLANDS
Oligocene Epoch: Hyaenodon found in Badlands National Park


FOSSILS
Fossil Types, Central-Western SD


MAMMOTHS
Hot Springs SD Mammoth Site - world's largest mammoth research facility; active paleontological dig site of Ice Age fossils

About Mammoths, UCMP Berkeley

More history: SD Genealogy, History, and Travel | American West


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