Results 151 to 160 of about 1,786 (213)

Fracture Topology in Mafic Formations: Implications for Geological Carbon Storage. [PDF]

Energy Fuels
Muñoz-Ibáñez A, Santamarina JC.
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Little to no active faulting likely at Europa's seafloor today. [PDF]

Nat Commun
Byrne PK, Dawson HG, Klimczak C, Regensburger PV, Crane KT, Catalano JG, Elder CM, Foley BJ, German CR, Green AP, Hemingway DJ, Melwani Daswani M, Panning MP, Randolph-Flagg N, Sherwood Lollar B, Skemer P, Vance SD, Wiens DA.   +17 more
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Decoupling of high-pressure H2 production from serpentinization and magnetite in subduction zones

Siron G, Blanchard M, Aufort J, Williams S, Vitale-Brovarone A.   +4 more
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Phlogopite from the Horoman Ultramafic Rocks

Phlogopite from the Horoman Ultramafic Rocks
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Lichens and ultramafic rocks: a review

The Lichenologist, 2004
Floristic, vegetational and ecological features of lichens in ultramafic environments are reviewed using a wide range of literature dating from the beginning of the 20th century. Co-presence of acidophytic (silicicolous) and basiphytic (calcicolous) species and the occurrence of species characterized by particular (disjunct) distribution patterns are ...
FAVERO LONGO, Sergio Enrico, ISOCRONO, DEBORAH, PIERVITTORI, Rosanna   +2 more
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Potassium in ultramafic rocks

Geochimica et Cosmochimica Acta, 1953
Abstract Quantitative spectrochemical determinations of potassium in 50 specimens of ultramafic rock confirm the preliminary observation ( Ahrens , Pinson and Kearns , 1952) that the abundance of potassium in this rock type is much lower than has usually been assumed.
W Holyk, L.H Ahrens
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Lunar Ultramafic Glasses, Chondrules and Rocks

Nature Physical Science, 1972
Analysis of all samples returned by lunar missions before Apollo 15 has shown green glasses of ultramafic composition in soil and microbreccia samples. Ultramafic glasses in Apollos 11 and 14 and Luna 16 samples are rare and similar to each other in composition but different from any of the rocks collected at these sites.
T. E. BUNCH, W. QUAIDE, M. PRINZ, K. KEIL, E. DOWTY   +4 more
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Ultramafic and Related Rocks

1972
The ultramafic rocks are composed mainly of dark-colored mafic or ferro-magnesian minerals such as olivine, pyroxene, amphibole, serpentine, garnet, biotite, and opaque oxides. They are usually, but not always, ultra-basic (having less than 45 percent SiO2).
Gunter Faure, James L. Powell
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Metamorphism of Ultramafic Rocks

1994
Ultramafic rocks are magnesium silicate rocks that normally contain no felsic minerals or very little (
Kurt Bucher, Martin Frey
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