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Showing results for tags 'core sample'.
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Hi, Any ideas as to what this kind of fossils either of these are ? They are from near Sites, California. I'm not quite sure the age, but based on the age of mudstones in the area, it should be late Jurassic to Cretaceous. Note this is form a bore hole (not surface collected), but I am not positive of depth. Thank you in advance.
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- core sample
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I've been curious about 'core samples' obtained from wells and geologic exploration. Is there anywhere online that one can look at examples of bedrock cores. For example, I'd love to see what a cambrian core looks like from deep in the Illinois bedrock and how deep the sample was located. I know mostly they are looking at microfossils to determine the age, but I've seen a few times where more easily identifiable fossils are found in the cores. Anyone have examples or know where some are found. And with any examples, it would be of interest to know how many feet deep the core comes from.
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- core sample
- geology
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