The Geology of Bear Territory
tour map
Last Stop:
Hearst Creek
Next Stop:
Wellman Hall
line of stones
Related Links:
blue dotConservation of Travertine Façades in Rome
line of stones
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Giannini Hall

The entrance to Giannini Hall, which houses the offices of the College of Natural Resources, has a façade of travertine. Travertine is a sedimentary rock composed of the mineral calcite (CaCO3). It forms in hot springs (e.g.those at Yellowstone National Park) and was the most important building material in ancient Rome. Calcite can be identified by its hardness and an acid test.