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Showing results for tags 'warrior formation'.
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Cambrian Thrombolite or Stromatolite, Warrior Formation
SteveE posted a topic in General Fossil Discussion
Warrior Formation, Central PA USA It's going to be fun trying to decide if this is stromatolite or thrombolite. As I understand this rock, it records rising seas and deposition of loads of sediment covering up the mound beds. This rock was already coming apart.. The thick layers of sediment were easy to pry off the mounds with my fingers and some gentle help from a butter knife. The whole thing is pretty fragile.- 10 replies
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- cambrian
- stromalites
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Cambrian Stromatolite, looks just like the pics of Sharks Bay
SteveE posted a topic in General Fossil Discussion
Superficially, this beauty looks just like the pics of live ones from Shark's Bay, Australia. Central Pennyslvania, USA- 6 replies
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- cambrian
- stromatolite
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