Late paleozoic climate revealed by coral fossil patterns

The study of coral fossils with clear growth lines inShiqiantan Formation (310 Ma) in China showed the growth line increments of a single coral growing in this area is related to the sunlight illumination time. Moreover, the daily increment of the growth line caused by calcium carbonate depositions...

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Bibliographic Details
Published in:PloS one 2023-08, Vol.18 (8), p.e0290127-e0290127
Main Authors: Zhang, Weijia, Li, Jiaju, Cheng, Xue, Yu, Hangjie, Cai, Shaomin
Format: Article
Language:English
Subjects:
Analysis
Biology and Life Sciences
Calcification
Calcium carbonate
Carboniferous
Climate
Climatic analysis
Climatic changes
Coral reefs
Earth Sciences
Environmental conditions
Fossils
Ice sheets
Influence
Light
Obliquity
Paleozoic
Paleozoic climates
People and Places
Radiation
Shells
Sunlight
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Summary:The study of coral fossils with clear growth lines inShiqiantan Formation (310 Ma) in China showed the growth line increments of a single coral growing in this area is related to the sunlight illumination time. Moreover, the daily increment of the growth line caused by calcium carbonate depositions has an unusual bimodal curve. The study of this bimodal curve indicated Shiqiantan had evident four-season changes in the Late Carboniferous period, and the climate at that time was similar to that of modern North China. The present paper updates the oldest existing record of climate analysis materials and provides important information for the study of Late Paleozoic climate, as well as the ancient obliquity of ecliptic.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0290127