Friday, June 03, 2011

GeoJeopardy! Fridays #49

Time for GeoJeopardy! Fridays, because it's a nice day out.

- Geology -

A placer is a deposit of sand containing metals such as this, which brought an influx to Placer County, California


A cauldron subsidence is when a mass of solid rock sinks into a pool of this subterranean molten rock


In geology, BYO isn't on a faculty party invitation; it stands for this, in Canada's Acasta Gneiss, about 4 BYO


In the mountain type of this, rock projects above the frozen stuff


William Smith's 1815 map "of New England and Wales" showed these rock layers in different colors

All the answers as well as any other previous GeoJeopardy! questions can be found over at my website by clicking the link.  

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Questions, images, and videos courtesy of

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