The Iranian karst bauxite deposits formed in northwestern Iran, the Alborz Mountain Chain, Central Iranian Plateau, and Zagros Simply Folded Belt during warm periods of the middle …
Abstract In the Irano–Himalayan karst bauxite belt, in northwestern Iran, karst bauxite orebodies are widespread. Although several of these orebodies have been characterized …
Bauxite is a prominent constituent of the paleoweathering crust that formed during a~ 150- million-year-long interval between the Ordovician and Late Carboniferous on the North …
K Ling, H Wen, H Fan, X Zhu, Z Li… - Journal of …, 2023 - Wiley Online Library
Significant iron (Fe) loss can occur during continental weathering and efflux to the ocean via runoff, historically affecting global Fe cycling and marine ecosystems. Here, we report …
Abstract The middle Triassic Kani Zarrineh bauxite deposit, in the Irano–Himalayan belt, located 20 km northwest of Saqqez city in northwestern Iran, occurs in depressions of the …
The pyrophyllite-rich ferruginous (PRF) bauxites in northwestern Iran from the Irano– Himalayan karst belt are deposited on the paleokarst of the middle Permian carbonate …
Purpose. The purpose is to determine geological and geochemical characteristics of the Sutlegen (Antalya, Turkey) bauxites, to identify the elements that played a major role in their …
In the late Triassic–early Jurassic Nasr-Abad deposit, bauxite ores are bauxitic iron ore and Fe-rich bauxite, grading into bauxite and clayey bauxite upward the succession. The ores …
The present study focuses on the geochemistry and occurrence of REY (rare earth elements and yttrium)-bearing minerals in the Late Cretaceous karst bauxite deposits in the central …