A 1.25 Ga depositional age for the “Paleoproterozoic” Mapedi red beds, Kalahari manganese field, South Africa: New constraints on the timing of oxidative weathering and hematite mineralization Available to Purchase

Evidence for anoxic shallow oceans at 2.45 Ga: Implications for the rise of oxygenic photosynthesis Open Access

A Holocene “Frozen Accident”: Sediments of Extreme Paleofloods and Fires in the Bedrock-Confined Upper Huis River, Western Cape, South Africa Available to Purchase

Tokyoite, As-rich Tokyoite, and NoÉlbensonite: New Occurrences from the Postmasburg Manganese Field, Northern Cape Province, South Africa Available to Purchase

A sugilite-bearing assemblage from the Wolhaarkop breccia, Bruce iron-ore mine, South Africa: Evidence for alkali metasomatism and 40 Ar- 39 Ar dating Available to Purchase

Organic-carbon deposition in the Cretaceous of the Ionian Basin, NW Greece: the Paquier Event (OAE 1b) revisited Available to Purchase

Deposition, Diagenesis, and Secondary Enrichment of Metals in the Paleoproterozoic Hotazel Iron Formation, Kalahari Manganese Field, South Africa Available to Purchase

Petrography and geochemistry of the Paleoproterozoic Hotazel Iron-Formation, Kalahari manganese field, South Africa; implications for Precambrian manganese metallogenesis Available to Purchase