Results 171 to 180 of about 7,510 (223)
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Metallogeny of Pennine Orefields

1989
The North and South Pennine orefields have a long history of research, and the literature on their geology, mineralogy, mining history, ore parageneses and genesis is extensive. Comprehensive data for the North Pennine orefields were given by Dunham (1948) and Dunham and Wilson (1985) for the Alston and Askrigg areas, respectively.
T. B. Colman   +2 more
openaire   +1 more source

Metallogeny in Ecuadorian Andes

Economic Geology, 1972
Disseminated mineralization, polymetallic veins, fracture-fillings and stockworks, stratabound deposits, and residual and alluvial deposits, structural controls, Paleozoic, Jurassic-middle Cretaceous, late Cretaceous-early Tertiary, middle-upper Tertiary and Pleistocene epochs of ...
openaire   +1 more source

Precambrian metallogeny in West Africa

Geologische Rundschau, 1980
The West African Shield is composed of a diverse assemblage of crystalline rocks that range in age from approximately 500 to more than 3000 million jears. These Precambrian rocks constitute the principal source of mineral resources for the subcontinent.
openaire   +1 more source

Tectonics, Metallogeny, and Discovery

2013
Abstract The northern Pacific Rim—for the purposes of this contribution—comprises the Mesozoic and Cenozoic magmatic-arc and associated terranes of eastern China, Korea, Japan, the Russian Far East, Alaska, Yukon, British Columbia, the western United States, and Mexico.
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Hypergene Metallogeny of the Urals

Lithology and Mineral Resources, 2004
The presented overview of hypergene metallogeny of the Urals is largely based on original data of the author. All bauxite, Co–Ni oxide–silicate, and high-grade ferromanganese our deposits, gold, platinum, and diamond placers, as well as brown coal, kaoline, refractory, and other economic-grade mineral deposits, currently mined in the Urals are hosted ...
openaire   +1 more source

Metallogeny of the Armorican Massif

1994
Successive metallogenic episodes, spread over several hundred million years in the Armorican Massif, can be related to the following major events (Chauris and Guigues 1969; Chauris 1980): 1. The Cadomian orogeny (southward subduction under the old Icartian continent) with volcanosedimentary and hydrothermal-sedimentary formations (Brioverian ...
L. Chauris, E. Marcoux
openaire   +1 more source

Metallogeny

1990
J. Locutura   +3 more
openaire   +1 more source

Metallogeny

2003
D.H.C. Wilton, D.F. Strong
openaire   +1 more source

Metallogeny

2015
H. Scott Swinden   +21 more
openaire   +1 more source

Metallogeny of Bolivia

SEG Discovery, 2009
Osvaldo R. Arce-Burgoa   +1 more
openaire   +1 more source

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