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Keyword
- paleosol[remove]4
- Acadian orogeny1
- Archean1
- Devonian1
- Great Oxidation Event (GOE)1
- Midcontinent Rift System1
- Middle Cambrian1
- Pennsylvania1
- Precambrian oxygen1
- Red Hill1
- U-Th-Pb geochronology1
- apatite1
- avulsion1
- biosphere1
- chromium isotopes1
- early terrestrial ecosystem1
- floodplain1
- fluvial1
- geochemistry1
- iron isotopes1