نتایج جستجو برای: dunite
تعداد نتایج: 231 فیلتر نتایج به سال:
Abstract The thick mantle lithosphere beneath cratons consists of strongly reduced rocks that have reacted with oxidized melts. These low-silica, incipient melts are rich in CO 2 and H O react surrounding forming an enriched zone at the base lithosphere, which is source region for many diamonds. Here, we reproduce these reactions novel experiments oxidised, hydrous carbonate-rich reduced, deple...
In a former publication from this Laboratory, results on the compressibility of various minerals and rocks were presented.' At the time when these measurements were made the importance of the physical properties of the ultrabasic rocks was not fully appreciated. Realizing that too little emphasis had been placed on these materials we have now made a number of measurements on a rock approaching ...
Jaghin ophiolite rocks are located in the east of Hormozgan Province and southeast of Rudan city in the direction of the Makran zone. Lithologically, ultrabasic rocks such as dunite and harzburgite, and basic magma, including gabbro-norite and basalt, have been identified. According to chemical crystal analysis, the composition of pyroxenes in basic (Gabbro-norite) rocks is more than iron and ...
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