The Precambrian: Precambrian rocks in Arizona record at least three sequences of deposition, metamorphism, and erosion. Fossils from the Late Precambrian are rare but include stromatolites, indicating that shallow marine conditions prevailed during this time.
Here's the linkie: Map of Arizona Precambrian Deposits
Monday, January 25, 2010
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment