A template for an improved rock-based subdivision of the pre-Cryogenian timescale
The geological timescale before 720 Ma uses rounded absolute ages rather than specific
events recorded in rocks to subdivide time. This has led increasingly to mismatches between …
events recorded in rocks to subdivide time. This has led increasingly to mismatches between …
Features of the REE Geochemistry and Genesis of Rocks and Ores of the Nchwaning Manganese Deposit (Kalahari Manganese Field, South Africa)
VN Kuleshov, AY Bychkov, AI Brusnitsyn - Lithology and Mineral …, 2024 - Springer
Rare earth elements (REE) of the host rocks (Fe-siliceous rocks) and manganese ores of the
Nchwaning Mine (Hotazel Formation, Kalahari manganese field) were studied. An important …
Nchwaning Mine (Hotazel Formation, Kalahari manganese field) were studied. An important …
High authigenic Co enrichment in the non‐euxinic buff‐grey and black shale of the Chandarpur Group, Chhattisgarh Supergroup: Implication for the late …
Persistently low enrichment of conventional redox‐proxy trace metals, ie, V, Cr, Mo and U in
Mesoproterozoic black shale records, has generally been interpreted as an oxygen …
Mesoproterozoic black shale records, has generally been interpreted as an oxygen …
δ13C and 87Sr/86Sr signatures from carbonates of the Morar Formation, Gwalior Group: Implications towards depositional setting and Paleoproterozoic seawater …
PP Paul - Journal of Earth System Science, 2022 - Springer
Abstract The Paleoproterozoic Gwalior Group of central India holds carbonates at two
stratigraphic levels within the Morar Formation, exposed at the Bela-Ki-Bauri and Utilla …
stratigraphic levels within the Morar Formation, exposed at the Bela-Ki-Bauri and Utilla …
[PDF][PDF] The Geodynamic Evolution of the Indian Subcontinent-An Introduction
Geology of the Indian subcontinent is not only diverse and interesting but also has been
studied for a long period. Reflection of a rich geoscientific heritage may be illustrated by a …
studied for a long period. Reflection of a rich geoscientific heritage may be illustrated by a …
Chemical evolution of biomolecules under abiotic hydrothermal conditions
TD Geisberger - 2022 - mediatum.ub.tum.de
In this work, the formation of biomolecules under abiotic hydrothermal conditions from CO
and acetylene was investigated. Mass spectrometry and isotope labeling revealed …
and acetylene was investigated. Mass spectrometry and isotope labeling revealed …
[PDF][PDF] d 13 C and 87 Sr/86 Sr signatures from carbonates of the Morar Formation, Gwalior Group: Implications towards depositional setting and Paleoproterozoic …
PP PAUL - ias.ac.in
The Paleoproterozoic Gwalior Group of central India holds carbonates at two stratigraphic
levels within the Morar Formation, exposed at the Bela-Ki-Bauri and Utilla sections …
levels within the Morar Formation, exposed at the Bela-Ki-Bauri and Utilla sections …