[图书][B] Iron geochemistry: an isotopic perspective
Iron is a remarkable element in its relatively high abundance for its mass and its sensitivity to
(and control of) redox on a planetary scale over geologic time. Numerous volumes have …
(and control of) redox on a planetary scale over geologic time. Numerous volumes have …
The chemical index of alteration (CIA) and interpretation of ACNK diagrams
The chemical index of alteration (CIA) and ACNK ternary diagrams (ie, with apices of Al 2 O
3, CaO+ Na 2 O, and K 2 O) are among the most widely used tools for evaluation of chemical …
3, CaO+ Na 2 O, and K 2 O) are among the most widely used tools for evaluation of chemical …
Pervasively anoxic surface conditions at the onset of the Great Oxidation Event: New multi-proxy constraints from the Cooper Lake paleosol
MG Babechuk, NE Weimar, IC Kleinhanns… - Precambrian …, 2019 - Elsevier
Oceanic element inventories derived from marine sedimentary rocks place important
constraints on oxidative continental weathering in deep time, but there remains a scarcity in …
constraints on oxidative continental weathering in deep time, but there remains a scarcity in …
The structural setting of mineralisation at Kolomela Mine, Northern Cape, South Africa, based on fully-constrained, implicit 3D modelling
IJ Basson, SAJ Thomas, B Stoch, CJ Anthonissen… - Ore Geology …, 2018 - Elsevier
Kolomela Mine, formerly known as the Sishen South Project, is located approximately 9 km
from Postmasburg, in the Northern Cape Province of South Africa. Iron ore is primarily …
from Postmasburg, in the Northern Cape Province of South Africa. Iron ore is primarily …
Mineralogy and geochemistry of various colored boles from the Deccan volcanic province: implications for paleoweathering and paleoenvironmental conditions
Boles are markers of hiatus in successive eruptions of the Deccan flood volcanism (DFV)
emplaced at the Cretaceous-Paleogene boundary that are interpreted to retain …
emplaced at the Cretaceous-Paleogene boundary that are interpreted to retain …
Archean-Proterozoic unconformity on the Fennoscandian Shield: geochemistry and Sr, C and O isotope composition of Paleoproterozoic carbonate-rich regolith from …
NA Alfimova, AB Kuznetsov, EV Klimova… - Precambrian Research, 2022 - Elsevier
Precambrian paleoweathering profiles provide insight into environmental changes and mark
stratigraphic boundaries. However, the well-preserved and exposed stratigraphic …
stratigraphic boundaries. However, the well-preserved and exposed stratigraphic …
Syn-tectonic hematite growth in Paleoproterozoic Stirling Range “red beds”, Albany-Fraser Orogen, Australia: Evidence for oxidation during late-stage orogenic uplift
B Rasmussen, JR Muhling - Precambrian Research, 2019 - Elsevier
The timing of hematite growth in ancient red-colored sedimentary rocks (“red beds”) is
controversial. While most of the hematite is considered to have formed at or near the land …
controversial. While most of the hematite is considered to have formed at or near the land …
Mars climate change research: Perspective of sulfur replacing carbon in martian sedimentary rocks
C Zhou, G Cui, L Kong, Z Liu, W Huang, L Yu, L Zhang - Icarus, 2023 - Elsevier
The study is designed to characterize changes in environment on early Mars by comparing
the sedimentary environment of Martian sedimentary rocks with terrestrial red beds, because …
the sedimentary environment of Martian sedimentary rocks with terrestrial red beds, because …
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 …
Abstract The Great Oxidation Event (GOE) is marked by the loss of readily oxidizable detrital
minerals and the onset of oxidative weathering. One of the oldest post-GOE weathering …
minerals and the onset of oxidative weathering. One of the oldest post-GOE weathering …
Geochemistry of Paleoproterozoic saprolite developed in diabase intruding the Hotazel Formation in the Avontuur deposit of the Kalahari Manganese Field, South …
MO De Kock, BF Monareng, L Blignaut… - South African Journal …, 2020 - journals.co.za
A diabase sill intersected in drill core GHEX-59 from the Avontuur deposit of the Kalahari
Manganese Field of South Africa displays an 8 m thick paleosaprolitic weathering profile …
Manganese Field of South Africa displays an 8 m thick paleosaprolitic weathering profile …