The differences between the biogenic and abiogenic calcite in dinosaur eggshells: In the PLM images (A and E), biogenic calcite is dark, while abiogenic calcite is bright; On the IPF maps (B and F), ...
These materials are produced through metabolic pathways, cellular secretions, or even the structural assembly of living tissue. Biogenics are primarily derived from biological sources, such as plants, ...
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