Results 41 to 50 of about 355 (139)
Geologica Acta, 2011 Chromitites associated with strongly altered peridotite from six distinct localities in the Santa Elena ultramafic nappe (Costa Rica) have been investigated for the first time.
F. ZACCARINI +6 more
doaj
Chromite deposits in China and their origin
, 1992 The major chromite resources of China occur in ophiolites and continental intrusions. Podiform chromite deposits are mainly developed in the Palaeozoic and Mesozoic ophiolitic mantle sequences.
Zhou, MF, Bai, WJ
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, 2011 The ultramafic-mafic rocks of the Tapo Complex are exposed in the Eastern Cordillera of the Central Peruvian Andes. This complex is composed of serpentinised peridotites and metabasites with some podiform chromitite lenses and chromite disseminations and
Acosta, Jorge +12 more
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The metallogenic evolution of the Greater Antilles
Geologica Acta, 2011 The Greater Antilles host some of the world’s most important deposits of bauxite and lateritic nickel as well as significant resources of gold and silver, copper, zinc, manganese, cobalt and chromium.
C.E. NELSON +3 more
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Oceanic and super-deep continental diamonds share a transition zone origin and mantle plume transportation. [PDF]
Sci Rep, 2021 Doucet LS, Li ZX, Gamal El Dien H.
europepmc +1 more source
Origin of podiform chromitites during subduction initiation
, 2018 The Luobusa ophiolite in Southern Tibet and Kop ophiolite in NE Turkey are two fragments of the Neo-Tethyan forearc lithospheres. Both of them contain a dunitic paleo-Moho transition zone (MTZ) and an upper harzburgitic mantle sequence.
Zhang, Pengfei, 張鵬飛
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Sulfide mineralization in ultramafic rocks of the Faryab ophiolite complex, southern Kerman
Journal of Economic Geology, 2015 Introduction Worldwide, Ni-Cu and PGE magmatic sulfide deposits are confined to the lower parts of stratiform mafic and ultramafic complexes. However, ophiolite mafic and ultramafic complexes have been rarely explored for sulfide deposits despite the ...
Mohammad Ali Rajabzadeh, Fatemeh Al Sadi
doaj
Crystallization of podiform chromitites from silicate magmas and the formation of nodular textures
, 2001 Podiform chromite deposits consist of numerous individual accumulations of chromite in the mantle sequences of ophiolites, suggesting formation in separate, mini-magma conduits in the upper mantle.
Zhou, MF +4 more
core
Mapping chromite deposits with audio magnetotellurics in the Luobusa ophiolite of southern Tibet
, 2018 The exploration of podiform chromites in the Indus Yarlong Zangbo suture zone of southern Tibet has proved difficult because most known deposits pinch out and then reappear in the same direction.
Bayi Xiao +10 more
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Archean eclogite-facies oceanic crust indicates modern-style plate tectonics. [PDF]
Proc Natl Acad Sci U S A, 2022 Ning W, Kusky T, Wang L, Huang B.
europepmc +1 more source