Results 141 to 150 of about 1,651 (201)

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

open access: yesNat Commun
Charnay BP   +8 more
europepmc   +1 more source

Alteration history of aluminum-rich rocks at Jezero crater, Mars. [PDF]

open access: yesCommun Earth Environ
Broz AP   +25 more
europepmc   +1 more source

Zircon behavior in the partially melted planetary mantle

open access: yes
Yakimenko A   +3 more
europepmc   +1 more source

Phlogopite from the Horoman Ultramafic Rocks

open access: yesPhlogopite from the Horoman Ultramafic Rocks
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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
openaire   +1 more source

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 ...
Sergio E. FAVERO-LONGO   +2 more
openaire   +1 more source

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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