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The crater was well known to oil and gas people long before that, but the knowledge didn't make its way to academic geology until the 90s.
by Symmetry 6y ago
The crater was well known to oil and gas people long before that, but the knowledge didn't make its way to academic geology until the 90s.
- eschulz 6y agoIIRC, oil and gas companies knew of the crater, but that knowledge was for many years proprietary information belonging to Mexico's state-owned oil company Pemex who paid significant money for the geological studies of the area.