Results 11 to 20 of about 607,638 (132)

Geology of the southern Gran Paradiso Massif and Lower Piedmont Zone contact area (middle Ala Valley, Western Alps, Italy)

open access: yesJournal of maps, 2021
This work presents the structural evolution of a poorly studied key-area in the middle Ala Valley, Western Alps, where two tectono-metamorphic units are exposed.
F. Caso   +3 more
semanticscholar   +1 more source

The Halab deposit, SW Zanjan: Volcanogenic massive sulfide Zn–Pb (Ag) mineralization, Takab–Takht-e-Soleyman–Angouran metallogenic district

open access: yesJournal of Economic Geology, 2021
Introduction The Halab Zn–Pb (Ag) deposit, 125-km southwest of Zanjan, is located in the Takab–Takht-e-Soleyman–Angouran metallogenic district (TTAMD), Sanandaj-Sirjan zone.
Fatemeh Karami   +3 more
doaj   +1 more source

A bigger splat: The catastrophic geology of a 1.2-b.y.-old terrestrial megaclast, northwest Scotland

open access: yesGeology, 2020
Rockfalls are relatively little described from the ancient geological record, likely due to their poor preservation potential. At Clachtoll, northwest Scotland, a megaclast (100 m × 60 m × 15 m) of Neoarchean Lewisian gneiss with an estimated mass of ...
Z. Killingback, R. Holdsworth
semanticscholar   +1 more source

Structural geology of the Fuegian Andes and Magallanes fold-and-thrust belt - Tierra del Fuego Island

open access: yesGeologica Acta, 2008
A synthesis of the structural geology of the Tierra del Fuego Island, which integrates a new data set derived from field surveys and literature data of the last few years, is presented here. The main geological features of the region developed during the
M. MENICHETTI, E. LODOLO, A. TASSONE
doaj   +1 more source

Report of the Geological Surveys in Cape Ryugu, Oku-iwa Rock and Telen, East Antarctica : Report of the Geology Section of the 19th Japanese Antarctic Research Expedition in 1977-1978

open access: yesAntarctic Record, 1979
The authors, members of the summer party of the 19th Japanese Antarctic Research Expedition, 1977-1978 (JARE-19), surveyed the geology of thc following three areas : Cape Ryugu, Oku-iwa Rock and Telen in East Antarctica.
Yutaka NAKAI   +2 more
doaj   +1 more source

Geology of the southern Monviso metaophiolite complex (W-Alps, Italy)

open access: yesJournal of maps, 2019
The Monviso metaophiolite complex (W. Alps) is an almost intact fragment of Tethyan oceanic lithosphere metamorphosed to eclogite-facies peak metamorphic conditions during Alpine subduction.
M. Locatelli   +3 more
semanticscholar   +1 more source

Lithologies, structure and basement-cover relationships in the schist belt of the Dom Feliciano Belt in Uruguay

open access: yesBrazilian Journal of Geology
: This work is the result of a multiyear effort to use field geology to describe lithologies, to establish contact relationships and to create a sketch of the tectonic evolution of the Meso- to Neoproterozoic metasedimentary successions within the Schist
Henri Masquelin   +7 more
doaj   +1 more source

Geology of the Tabakoto gold deposit, Kédougou-Kéniéba Inlier, West African Craton, Mali

open access: yesBSGF - Earth Sciences Bulletin
The Tabakoto gold deposit is part of the highly endowed west-Malian gold belt, which hosts several world-class deposits. This deposit, located in the Paleoproterozoic Kédougou-Kéniéba Inlier (KKI) of the West African Craton (WAC), is contained in ...
M. Diallo   +7 more
semanticscholar   +1 more source

Microstructure and geochemical evidences for genesis of the Gol-Gohar iron deposit

open access: yesJournal of Economic Geology, 2017
Introduction The Gol-Gohar iron ore deposit located in 55 km South West of the city of Sirjan, in the Sanandaj-Sirjan structural zone. Sanandaj-Sirjan zone (SSZ) is part of the Alpian-Hymalian orogenic belt and it is located in the west of the central ...
Shahryar Mahmoudi   +2 more
doaj   +1 more source

Influence of reservoir geology on seismic response during decameter scale hydraulic stimulations in crystalline rock

open access: yes, 2019
. We performed a series of 12 hydraulic stimulation experiments in a 20 × 20 × 20 m foliated, crystalline rock volume intersected by two distinct fault sets at the Grimsel Test Site, Switzerland.

semanticscholar   +1 more source

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