How to interpret lots of gastropoda fossils seen in lacustrine marls? Do they indicate any paleoenvironment conditions? Depth, temperature, chemistry, ph?
Is there any significance of lacustrine gastropoda fossils regarding paleoenviroment interpretation?
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2 Answers
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Shell stable isotopes, for oxygen and carbon reveals, if the gastropoda had lived in brackish, lacustrine or palustrine environment.
For discussion please see paper below.
Latal, C., Piller, W. E., & Harzhauser, M. (2004). Palaeoenvironmental reconstructions by stable isotopes of Middle Miocene gastropods of the Central Paratethys. Palaeogeography, Palaeoclimatology, Palaeoecology, 211(1-2), 157-169.
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Fossil preservation in lacustrine marls is fairly common so it is really not that indicative of anything. Species might be used for wider correlation, but that's about it.
