Results 101 to 110 of about 10,547 (228)

The Hudson Bay Lithospheric Experiment (HuBLE) : Insights into Precambrian Plate Tectonics and the Development of Mantle Keels [PDF]

, 2015
The UK component of HuBLE was supported by Natural Environment Research Council (NERC) grant NE/F007337/1, with financial and logistical support from the Geological Survey of Canada, Canada–Nunavut Geoscience Office, SEIS-UK (the seismic node of NERC ...
Bastow, I. D., Darbyshire, F. A., Eaton, D. W., Helffrich, G., Kendall, J.-M., Pawlak, A. E., Snyder, D. B., Thompson, D. A., Wookey, J.   +8 more
core   +2 more sources

Fusing satellite imagery and ground geochemical data to map alteration zones for gold exploration in western Nigeria

Egyptian Journal of Remote Sensing and Space Sciences
As alteration mapping is vital in identifying signatures of specific mineral deposits, this study aimed to map alteration zones associated with orogenic gold mineralization in the Wawa area using remote sensing and geochemical data.
S.A. Alimi, E.J.M. Carranza
doaj   +1 more source

A secular increase in continental crust nitrogen during the Precambrian [PDF]

, 2017
Recent work indicates the presence of substantial geologic nitrogen reservoirs in the mantle and continental crust. Importantly, this geologic nitrogen has exchanged between the atmosphere and the solid Earth over time. Changes in atmospheric nitrogen (i.
Goldblatt, Colin, Johnson, Benjamin W
core   +3 more sources

A four stage evolution of the White Channel gravel: Implications for stratigraphy and palaeoclimates [PDF]

, 2014
Although the White Channel gravel (WCG) of the Klondike district, Yukon, contains gold placers which have been exploited for over a century, few sedimentological studies have been undertaken.
Chapman, Robert, Lowther, Robert, Peakall, Jeff, Pound, Matthew   +3 more
core  

Mineralization based on CSAMT data: A case study on the Gaoloushan section of Yangshan gold belt

Engineering Reports
Yangshan gold belt (YSGB) in Gansu Province is a super‐large orogenic gold deposit located in the middle section of the Mianxian‐Lueyang arcuate suture zone (Mian‐Lue suture zone).
Yongling Chen, Hu Yang, Chun Zhan, Wei Zhang, Jia Wang, Dan Xie, Wei Wei, Ciren Lamu   +7 more
doaj   +1 more source

3D gravity modelling of the Aguablanca Stock, tectonic control and emplacement of a Variscan gabbronorite bearing a Ni–Cu–PGE ore, SW Iberia [PDF]

, 2008
The Aguablanca stock is a Variscan mafic pluton located in the Ossa-Morena zone, southern Iberian Massif, hosting an unusual Ni–Cu–PGE mineralization associated with magmatic breccia pipes which intruded its northern part.
Bachiller, Casquet, Dallmeyer, Evans-Lamswood, Forrest, Galindo, I. ROMEO, Liñán, Lunar, Montero, Ortega, Ortega, Piña, Piña, Piña, Quesada, Quesada, Quesada, R. CAPOTE, R. LUNAR, R. TEJERO, Reavy, Ribeiro, Romeo, Santos, Tornos, Vauchez   +26 more
core   +1 more source

Two-sided asymmetric subduction; implications for tectonomagmatic and metallogenic evolution of the Lut Block, Eastern Iran [PDF]

, 2011
West directed subduction zones show common characteristics, such as low structural elevation, deep trench, steep slab and a conjugate back-arc basin that are opposite to those of the east directed subduction zones.
Arjmandzadeh, R., Homam, S. M., Karimpour, M. H., Mazaheri, S. A., Medina, J. M., Santos, J. F.   +5 more
core   +2 more sources

The gold conveyor belt: Large-scale gold mobility in an active orogen

Ore Geology Reviews, 2014
The Southern Alps of New Zealand are part of an active collisional orogen where metamorphism, hydrothermal fluid flow and the formation of orogenic gold deposits are ongoing. The Southern Alps are forming due to transpressional collision between continental crust fragments on the Pacific and Australian tectonic plates.
Pitcairn, Iain K., Craw, Dave, Teagle, Damon A.H.   +2 more
openaire   +2 more sources

Alteration Alteration, Mineralization and Geochemistry of Metamorphic Rocks Hosted Hydrothermal Gold Deposit at Rumbia Mountains, Bombana Regency, Southeast Sulawesi, Indonesia

JGEET: Journal of Geoscience, Engineering, Environment and Technology, 2019
In Indonesia, gold is commonly mined from porphyry, epithermal and skarn type deposits that are commonly found in volcanic/magmatic belts. However, were recently numerous gold prospects discovered in association with metamorphic rocks.
Hasria Hasria, Arifudin Idrus, I Wayan Warmada   +2 more
doaj   +1 more source

Porphyry, epithermal, and orogenic gold prospectivity of Argentina

Ore Geology Reviews, 2015
This paper presents a review of the available information on the significant porphyry, epithermal, and orogenic gold districts in Argentina, including the tectonic, geological, and structural settings of large deposits or deposits that have been exploited in the past.
Ford, A., Hagemann, S.G., Fogliata, A.S., Miller, J.M., Mol, A., Doyle, P.J.   +5 more
openaire   +2 more sources