Results 11 to 20 of about 8,388 (230)

The metallogenic evolution of the Greater Antilles [PDF]

open access: yesGeologica Acta, 2011
The Greater Antilles host some of the world’s most important deposits of bauxite and lateritic nickel as well as significant resources of gold and silver, copper, zinc, manganese, cobalt and chromium.
C.E. NELSON   +3 more
doaj   +8 more sources

Large Igneous Province Record Through Time and Implications for Secular Environmental Changes and Geological Time‐Scale Boundaries

open access: yesGeophysical Monograph Series, Page 1-26., 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.
Richard E. Ernst   +8 more
wiley  

+1 more source

Geology, Mineralization and Geochemistry of Au in the Godar Sorkh area, Muteh region, Sanandaj-Sirjan zone

open access: yesJournal of Economic Geology, 2021
Introduction Gold deposits formed during mountain-building processes in Phanerozoic terranes that formed in metamorphic environment have a great dispensation in the world (Goldfarb et al., 2001).
Monire Sakhdari   +4 more
doaj   +1 more source

Fluid evolution and metallogenesis of the Zhangjiapingzi gold deposit in mianning, Sichuan province: constraints from fluid inclusion studies

open access: yesFrontiers in Earth Science, 2023
Introduction: The Zhangjiapingzi gold deposit, located at the western margin of the Yangtze Craton and controlled by the Jinhe-Chenghai deep fault, is a newly discovered super-large gold deposit in the Danba-Mianning metallogenic belt.
Bing Yan   +6 more
doaj   +1 more source

Chemical composition of tourmaline in orogenic gold deposits [PDF]

open access: yesMineralium Deposita, 2020
Tourmaline from 18 orogenic gold deposits and districts, hosted in varied country rocks and metamorphic facies, was investigated by EPMA (electron probe micro-analyzer) and LA-ICP-MS (laser ablation-inductively coupled plasma-mass spectrometry) to establish discriminant geochemical features to constrain indicator mineral surveys for gold exploration ...
Marjorie Sciuba   +2 more
openaire   +1 more source

Hydrous Carbonatitic Liquids Drive CO2 Recycling From Subducted Marls and Limestones

open access: yesGeophysical Monograph Series, Page 209-221., 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 ...
Erwin Schettino, Stefano Poli
wiley  

+1 more source

A black shale protolith for gold-tellurium mineralisation in the Dalradian Supergroup (Neoproterozoic) of Britain and Ireland [PDF]

open access: yes, 2017
The Dalradian Supergroup of Britain and Ireland is mineralised by gold-tellurium vein deposits. The host succession includes carbonaceous, pyritic shales (pelites) which were a source of trace elements, including gold and tellurium.
Armstrong, J.   +5 more
core   +1 more source

Metallogenic characteristics of some localities of gold mineralization along shear zones of Elgaab, Dum el Tor and Sodri - Um Bader, (Sudan)

open access: yesBulletin of the Mineral Research and Exploration, 2021
Study area is located in the eastern sector of Saharan Meta - Craton that includes the western part of Bayuda Terrane and extend southwest to Sodri - Um Badir shear zones.
Mohamed Osman Elgızoulı   +2 more
doaj   +1 more source

Earth's middle age [PDF]

open access: yes, 2014
This research was funded through Natural Environment Research Council (grant NE/J021822/1) and the APC was paid through the RCUK OA block grant.Earth's middle age, extending from 1.7 to 0.75 Ga, was characterized by environmental, evolutionary, and ...
Cawood, Peter Anthony   +1 more
core   +1 more source

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