rock and mineral of yemen
rock and mineral of yemen. Geology of KazakhstanWikipedia. Geologic History Stratigraphy and Tectonics. Archean rocks of the Zerenda Group including schist diamond-bearing gneiss eclogite and marble are found in the Kokchetav Massif in the Kazakh Uplands.However geologists have disagreed on dating with some indicating dates in the Middle Cambrian or Archean through Paleoproterozoic.Early ...