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Questions tagged [paleontology]

Paleontology (also Palaeontology) is the scientific study of past life. Questions about the biological aspect of paleontology (such as taxonomy and anatomy) are off-topic here and should be asked on biology.stackexchange.com

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This location has a lot of ancient-looking sedimentary rocks. Do you think it may be a good candidate for Ediacaran or Pre-Cambrian fossils? https://maps.app.goo.gl/jdQJ7muDryNrpHSC8 It's quite remote,...
Yimin Rong's user avatar
1 vote
1 answer
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I'm working on a project with my Geography professor, where we are collecting various rocks, minerals and fossils to show various processes (substitution and casting in fossils; metamorphization in ...
Kauã Eduardo Wagner Ecker's user avatar
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1 answer
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I found some fossils some time ago which I can't identify. Things are further complicated by the fact that I don't know with certainty where two of the fossils were found. The pictures are below. The ...
ductTapeIsMagic's user avatar
1 vote
0 answers
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I recently took a piece of limestone from the late Jurassic, from a rock that contains quite a few fossils (mostly ammonites and belemnoids), and ground it as flat and smooth as possible. Then, I ...
ductTapeIsMagic's user avatar
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I've found and object that has an unusual shape - claw like with cube shaped corner. Is it a fossil or only weird looking stone?
Andrew's user avatar
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1 vote
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(Alguien podría decirme qué es?) Could someone tell me what it is? Zapala is in Western Argentina, east of the Andes Mountains. enter image description here English translation via Google Translate
Cristian's user avatar
4 votes
2 answers
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China is a region rich in sedimentary rocks from the Mesozoic period and incredible discoveries about dinosaurs have been made there since the 1990s. I was wondering which other areas of the planet ...
Bebop's user avatar
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2 votes
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The case is that, if it landed at the North Pole or the South Pole, the global after-impact effects such as gases and dust spreading through the atmosphere, earthquakes, tsunamis, volcanism and ...
user27826's user avatar
5 votes
1 answer
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Found this on open heath land close to RAF Honington, Suffolk, UK. Its about the size/shape of a cherry tomatoe cut in half. Thanks
Nick Baines's user avatar
4 votes
1 answer
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So, i found a weird structure in a piece of jurassic limestone. It is cylindrical and roughly one cm in diameter, enters the stone on one side and leaves on the other. Under the microscope, you can ...
ductTapeIsMagic's user avatar
5 votes
1 answer
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When and how did mosquitoes reach Australia? It's east of the Wallace line, so 'they got there from Asia' is not an obviously unproblematic conclusion. In general, when and how mosquitoes reached ...
rwallace's user avatar
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2 votes
1 answer
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I am reading on the petrification process. I found that there are two processes which are permineralization and replacement. I am not sure I fully comprehend the difference between them. I wonder if ...
Lynn B.'s user avatar
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4 votes
1 answer
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I was reading on fossilization and I came across petrifaction. Are fossils that take the shape (have the shape) of the original organism made of only stone or iron? Can there be a fossil made of any ...
Lynn B.'s user avatar
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2 votes
2 answers
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It is generally believed that the time over which speciation occurs is too short (~10,000-100,000 years) for our museum collections to include many transitional forms between species. (Transitional ...
Retracted's user avatar
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7 votes
1 answer
153 views

Changes in oceanic oxygen isotope ratios (18O to 16O) are reflected in the shells of ancient foraminifera. However, I have not read of diatom shells being used, despite the fact that they were (and ...
Kurt Hikes's user avatar

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