The Bear Gulch Limestone is a Late Mississippian limestone deposit in central Montana, roughly three hundred and eighteen million years old, formed in a shallow marine embayment whose periodically oxygen starved bottom waters preserved an unusually complete community of fish, including dozens of shark species, along with soft bodied invertebrates rarely fossilized elsewhere. It is considered one of the most important windows anywhere onto Carboniferous marine life.
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Source Bear Gulch Limestone (Wikipedia)
Source Bear Gulch Limestone (Wikipedia)
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Source Bear Gulch Limestone (Wikipedia)
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Source Bear Gulch Limestone (Wikipedia)
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Bear Gulch Limestone (Wikipedia)
Associated With: Carboniferous, Lead paragraph
The Bear Gulch Limestone reconstructs a diverse, though isolated, marine ecosystem which developed near the end of the Serpukhovian age in the Carboniferous period.
Associated With: Carboniferous, Lead, age Carboniferous
The Bear Gulch Limestone reconstructs a diverse, though isolated, marine ecosystem which developed near the end of the Serpukhovian age in the Carboniferous period.
Associated With: Limestone, Lead, rock Limestone
The Bear Gulch Limestone is a limestone-rich geological lens in central Montana, renowned for the quality of its marine fossils from the late Mississippian subperiod, about 324 million years ago.
In Discipline: Geomorphology, Lead paragraph
The Bear Gulch Limestone is a limestone-rich geological lens in central Montana, renowned for the quality of its marine fossils from the late Mississippian subperiod, about 324 million years ago
Caused By: Sedimentation, Article text
This results in deposition of the "shallow" or "marly" facies, a collection of very pale micrites with very little organic or siliciclastic material.
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