Results 91 to 100 of about 6,150 (210)

Superposition relations of microfabrics in the northern hanging-wall block [PDF]

open access: yes, 2016
This study reports alternation of D2 extension-related and D3 contraction-related microfabrics in the northern hanging wall block of a gneiss dome-like structure recognized in the Évora Massif (Ossa-Morena Zone).
Dias da Silva, Icaro F   +2 more
core  

Large impacts in the Baltic shield with special attention to the Uppland structure [PDF]

open access: yes
Within the Baltic Shield several very large structures have been identified and are suspected to be of meteorite impact origin. Some of these deeply eroded circular features are presented with special attention to the Uppland structure, where several ...
Henkel, H., Lilljequist, R.
core   +1 more source

Deep crustal deformation by sheath folding in the Adirondack Mountains, USA [PDF]

open access: yes
As described by McLelland and Isachsen, the southern half of the Adirondacks are underlain by major isoclinal (F sub 1) and open-upright (F sub 2) folds whose axes are parallel, trend approximately E-W, and plunge gently about the horizontal. These large
Mclelland, J. M.
core   +1 more source

A simplified GIS and google-earth-based approach for lineaments and terrain attributes mapping in a basement complex terrain. [PDF]

open access: yesSci Rep, 2022
Lawal MA   +6 more
europepmc   +1 more source

Zircon U-Pb Geochronology from the Wakhan Corridor, NE Afghanistan [PDF]

open access: yes, 2013
HKT-ISTP ...
Gärtner, A.   +5 more
core  

Survival of eclogite xenolith in a Cretaceous granite intruding the Central Dabieshan migmatite gneiss dome (Eastern China) and its tectonic implications.

open access: yes, 2007
International audienceInvestigation of an eclogite xenolith, discovered in a Cretaceous granite from the Central Domain of the Dabieshan massif in eastern China, yields new petrological insights into the high to ultrahigh-pressure metamorphism ...
Arnaud, Nicolas   +4 more
core   +4 more sources

Geologic and mineral and water resources investigations in western Colorado, using Skylab EREP data [PDF]

open access: yes
The author has identified the following significant results. Skylab photographs are superior to ERTS images for photogeologic interpretation, primarily because of improved resolution.
Huntley, D.   +5 more
core   +1 more source

Bohemian circular structure, Czechoslovakia: Search for the impact evidence [PDF]

open access: yes
Test of the impact hypothesis for the origin of the circular, 260-km-diameter structure of the Bohemian Massif led to the discovery of glasses and breccias in the Upper Proterozoic sequence that can be compared to autogeneous breccias of larger craters ...
Rajlich, Petr
core   +1 more source

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