Results 121 to 130 of about 30,877 (270)

Archaean ultramafic rocks with relict spinifex textures in the Umanak area, central West Greenland

, 1980
J.C Knudsen
openalex   +2 more sources

Calcium Isotopic Fractionation in Plagioclase from Mafic-Ultramafic Rocks: Implications for Magmatic Processes and Planetary Differentiation

Wu, Wei, Xu, Yigang, Zhang, Zhaofeng
openalex   +2 more sources

Granitic rocks and metasediments in Archean crust, Rainy Lake area, Ontario: ND isotope evidence for mantle-like SM/ND sources [PDF]

Granitoids, felsic volcanic rocks and clastic metasediments are typical rocks in Archean granite-greenstone belts that could have formed from preexisting continentasl crust.
Hanson, G. N., Shirey, S. B.
core   +1 more source

Alpine Tethys closure as revealed by amphibole-rich mafic and ultramafic rocks from the Adamello and the Bergell intrusions (Central Alps)

, 2014
Massimo Tiepolo, Riccardo Tribuzio, Wei-Qiang Ji, Fu‐Yuan Wu, Michele Lustrino   +4 more
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The Pikwitonei granulite domain: A lower crustal level along the Churchill-Superior boundary in central Manitoba [PDF]

The greenschist to amphibolite facies tonalite-greenstone terrain of the Gods Lake subprovince grades - in a northwesterly direction - into the granulite facies Pikwitonei domain at the western margins of the Superior Province.
Weber, W.
core   +1 more source

Age of ultramafic high-K rocks from Planalto da Serra (Mato Grosso, Brazil)

, 2012
Ângelo De Min, B.W.H. Hendriks, F. F. Slejko, P. Comin-Chiaramontí, Vicente Antônio Vitório Girardi, Excelso Ruberti, Celso B. Gomes, Renato Neder, Francisco C. Pinho   +8 more
openalex   +1 more source

Occurrence and mineral chemistry of high pressure phases, Portrillo basalt, southcentral New Mexico [PDF]

Inclusions of clinopyroxenite, kaersutiteclinopyroxenite, kaersutite-rich inclusions, wehrlite and olivine-clinopyroxenite together with megacrysts of feldspar, kaersutite and spinel are found loose on the flanks of cinder cones, as inclusions within ...
Hoffer, J. M., Ortiz, T. S.
core   +1 more source

Membrane-free electrochemical production of acid and base solutions capable of processing ultramafic rocks. [PDF]

Nat Commun
Charnay BP, Chen Y, Misleh JW, Wright JG, Agarwal RG, Sauvé ER, Toh WL, Surendranath Y, Kanan MW.   +8 more
europepmc   +1 more source

A history of the Lonar crater, India: An overview [PDF]

The origin of the circular structure at Lonar, India, described variously as cauldron, pit, hollow, depression, and crater, has been a controversial subject since the early nineteenth century.
Nayak, V. K.
core   +1 more source

Carbon Mineralization in Fractured Mafic and Ultramafic Rocks: A Review. [PDF]

Rev Geophys
Nisbet H, Buscarnera G, Carey JW, Chen MA, Detournay E, Huang H, Hyman JD, Kang PK, Kang Q, Labuz JF, Li W, Matter J, Neil CW, Srinivasan G, Sweeney MR, Voller VR, Yang W, Yang Y, Viswanathan HS.   +18 more
europepmc   +1 more source