Results 161 to 170 of about 297,722 (205)

Ancient Archaean supracrustal rocks from the Limpopo Mobile Belt

Nature, 1980
A preliminary study has been made to establish pressure, temperature and water activity parameters for the high-grade metamorphism of the early Archaean supracrustal rocks exposed in the Limpopo Mobile Belt near Messina, South Africa. The results reported here indicate that a significant orogenic crustal thickness up to ∼30 km was developed before ∼3 ...
exaly   +2 more sources

Supracrustal Rocks of the Lithuanian-Belarus Belt

Regional Geology Reviews, 2022
Gediminas Motuza
exaly   +2 more sources

Supracrustal Rocks of the West Lithuanian Domain

Regional Geology Reviews, 2022
Gediminas Motuza
exaly   +2 more sources

Zircon U-Pb Dating and Metamorphism of Granitoid Gneisses and Supracrustal Rocks in Eastern Hebei, North China Craton

Minerals (Basel, Switzerland), 2022
Granitoid gneisses dominated by tonalitic–trondhjemitic–granodioritic (TTG) compositions, with metamorphic supracrustal rocks consisting of sedimentary and volcanic rocks, are widely exposed in the Eastern Hebei terrane, North China Craton ...
Zhuang Li, Cong Zhang, Chunjing Wei
exaly   +2 more sources

A comparative study of metamorphosed supracrustal rocks from the western Namaqualand metamorphic complex [PDF]

, 1986
A regional study of highly metamorphosed supracrustal rocks was undertaken in the western portions of the Namaqualand Metamorphic Complex. The study area was essentially restricted to a north-south section some 50 kilometres wide and 220 kilometres long.
Moore, John Michael
core   +3 more sources

Zircon U–Pb ages and Hf isotopic compositions of two types of supracrustal rocks in the Northeastern Sulu UHP terrane: constraints on the surface boundary between South China and North China

International Geology Review, 2019
There are voluminous ultrahigh pressure-related orthogneisses and minor metamorphic supracrustal rocks in the northeastern Sulu UHP terrane (NSL), East China.
Ali Polat
exaly   +2 more sources

Occurrence and geochronology of the Eoarchean, ∼3.9 Ga, Iqaluk Gneiss in the Saglek Block, northern Labrador, Canada: Evidence for the oldest supracrustal rocks in the world

Precambrian Research, 2016
Understanding Earth's early evolution requires decoding the cryptic geological record that is preserved in a few extremely rare terrains on Earth. The Saglek-Hebron Block in the North Atlantic Craton is one of the oldest terrains in the world.
Shogo Aoki, Shinji Yamamoto, Tsuyoshi Komiya   +2 more
exaly   +2 more sources

Archaean supracrustal rocks from the Lewisian near Stoer, Sutherland

Scottish Journal of Geology, 1985
Synopsis A previously unreported supracrustal suite, the “Cnoc an t-Sidhean Supracrustals”, together with at least three generations of acid and basic orthogneiss form the Lewisian complex at Stoer. Both supracrustals and orthogneisses underwent Badcallian granulite facies metamorphism and polyphase deformation, including the formation of ...
I. Cartwright, W. R. Fitches, M. J. O'Hara, A. C. Barnicoat, S. O'Hara   +4 more
openaire   +1 more source

Mesoproterozoic (Grenville-age) granitoids and supracrustal rocks in Kaokoland, northwestern Namibia

Precambrian Research, 2017
Abstract We identified and describe rocks of a late Mesoproterozoic Grenville-age igneous province and associated supracrustal sequence in northwestern Kaokoland, Namibia. These rocks are ca. 1176–1534 Ma in age and mostly consist of pinkish granitic and trondhjemitic plutons that are unfoliated within the Palaeoproterozoic Epupa Metamorphic Complex ...
Alfred Kröner, Yamirka Rojas-Agramonte
openaire   +1 more source

Structural Studies in the Archaean Sargur and Dharwar Supracrustal Rocks of the Karnataka Craton

Journal Geological Society of India, 1978
Abstract Structural studies in the linear supracrustal belts and adjacent Peninsular Gneiss in the areas of Sargur, Holenarsipur and Chitradurga have revealed Land S tectonites and related structures, which are attributed to phases of deformation SgDl, SgD2 and SgD3 in the older Sargur Group and DhDI, DhD2 and DhD3 in the younger Dharwar
Brian Chadwick, M. Ramakrishnan, M. N. Viswanatha, V. Srinivasa Murthy   +3 more
openaire   +1 more source