Results 11 to 20 of about 6,151 (175)

Research advances on rare metal pegmatite deposits

open access: yes地质科技通报, 2021
The pegmatite deposit is one of the most important types of rare metal deposits in the world, and it is also one of the most popular interests in the international deposit research.Significant advances have been made in the latest decades, including the ...
Zilong Ran, Yanjun Li
doaj   +2 more sources

Share on vk Share on google_plusone_share Share on twitter Share on email More Sharing Services Zonality of schorls from pegmatite veins of the Turkestan Range (Kyrgyzstan)

open access: yesУчёные записки Казанского университета: Серия Естественные науки, 2018
In the course of a long-term field research within the borders of the Turkestan Range located in the southwestern part of Kyrgyzstan (high-altitude Tien Shan), pegmatite veins of a rare-metal genetic type have been found.
V.K. Gerasimov   +3 more
doaj   +1 more source

Spectral Library of European Pegmatites, Pegmatite Minerals and Pegmatite Host-Rocks - the GREENPEG project database [PDF]

open access: yes, 2023
The New Exploration Tools for European Pegmatite Green-Tech Resources (GREENPEG) spectral database contains the spectral signature, obtained through reflectance spectroscopy studies, of European pegmatites and minerals as well as their host rocks ...
Lima, Alexandre   +9 more
core   +1 more source

Radiometric Constraints on the Timing, Tempo, and Effects of Large Igneous Province Emplacement

open access: yesGeophysical Monograph Series, Page 27-82., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jennifer Kasbohm   +2 more
wiley  

+1 more source

High‐Pressure Na‐Ca Carbonates in the Deep Carbon Cycle

open access: yesGeophysical Monograph Series, Page 127-136., 2020

This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.

Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions

Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Sergey Rashchenko   +2 more
wiley  

+1 more source

Raman spectroscopic study of the mineral qingheiite Na2(Mn2+,Mg,Fe2+)2(Al,Fe3+)(PO4)3, a pegmatite phosphate mineral from Santa Ana pegmatite, Argentina [PDF]

open access: yes, 2013
The pegmatite mineral qingheiite Na2(Mn2+,Mg,Fe2+)2(Al,Fe3+)(PO4)3 has been studied by a combination of SEM and EMP, Raman and infrared spectroscopy. The studied sample was collected from the Santa Ana pegmatite, Argentina.
Xi, Yunfei   +8 more
core   +1 more source

Formation features and the pegmatite-controlling role of the thrusts and reverse faults in the Mamskaya muscovite province

open access: yesЛитосфера, 2020
Research subject. The Mamskay muscovite province (MMP) is located on the border between the Siberian platform and the Baikal orogenic area, near the boundary fault. The MMP hosts numerous regional and local thrust and reverse faults, which are typical of
A. P. Kochnev, A. V. Cheremnykh
doaj   +1 more source

Pegmatites in Sura and Verkhivtseve greenstone belts of the Middle Dnipro region, Ukrainian shield

open access: yesМінеральні ресурси України, 2023
Rare-metal granite pegmatites of the lithium-cesium-tantalum (LCT) type are widely distributed in Early Precambrian Greenstone belts worldwide, including the Canadian and Australian shields.
V. V. Sukach   +4 more
doaj   +1 more source

ON ESTIMATION OF VERTICAL AMPLITUDE OF VEIN PEGMATITE SERIES IN THE NORTHWESTERN BELOMORIE

open access: yesTransactions of the Karelian Research Centre of the Russian Academy of Sciences, 2016
The article is devoted to the problem of the vertical amplitude of the Belomorian vein fields’ pegmatite genesis which has not been characterized so far.
Николай Дмитриевич Малов   +1 more
doaj   +1 more source

Geology, Petrography, and Geochemistry of Younger Granites and Related Radioactive Pegmatite from Gabal El Urf Area, North Eastern Desert, Egypt: Implications for the Evolution of the NYF-Type Rare-Elements Granitic Pegmatite

open access: yesIraqi Geological Journal, 2023
Gabal El Urf region is located in the northern Egyptian Eastern Desert and overlain essentially by older and younger granitoids of Late Proterozoic age.
Amr Abdel Hamid   +3 more
doaj   +1 more source

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