K-T boundary, a geological signature marking the end of the Cretaceous period (abbreviated K) and the beginning of the Tertiary period (abbreviated T or Pg for Paleogene, now the preferred time rock unit). Photographed north of Saltillo, Mexico.
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Details
Creative#:
TOP22073271
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
N/A
Property Release:
No
Right to Privacy:
No
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