Composition of minerals and rocks from the Markov Deep, Central Atlantic, supplement to: Savelyeva, G N; Bortnikov, Nikolay S; Peyve, Alexander A; Skolotnev, Sergey G (2006): Ultramafic rocks from the Markov Deep: rift valley of the Mid-Atlantic Ridge. Geokhimiya (Geochemistry), No 11, 1192-1208

G N Savelyeva, Nikolay S Bortnikov, Alexander A Peyve & Sergey G Skolotnev
The paper presents materials on composition and texture of weakly serpentinized ultrabasic rocks from the western and eastern walls of the Markov Deep (5°30.6'-5°32.4'N) in the rift valley of the Mid-Atlantic Ridge. Predominant harzburgites with protogranular and porphyroclastic textures contain two major generations of minerals: the first generation composes the bulk of rocks and consists of Ol_89.8-90.4 + En_90.2-90.8 + Di_91.8 + Chr (Cr#32.3-36.6, Mg#67.2-70.0), while the second generation composes very thin branching veinlets and...
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