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Questions related from Richard Harry Bruce
What evidence is there today for the locations of seas that existed prior to the Cambrian marine transgression onto the continents? eg: Narrow Precambrian seaways (Carey)? or Precambrian oceanic...
10 October 2022 6,817 0 View
In North America, for example: 1. Archean provinces (eg Superior Craton) have high-grade granulite-gneiss and low-grade granite-greenstone. 2. Earlier Paleoproterozoic has high-grade...
23 May 2018 7,216 5 View
Is it possible that the Neoproterozoic Oxygenation Event is not about significant increase of oxygen in the atmosphere? Instead could it just be about upwelling/turnover of deeper water anoxic...
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