Geochemical evidence for forearc metasomatism of peridotite in the Xigaze ophiolite during subduction initiation in Neo-Tethyan Ocean, south to Tibet
نویسندگان
چکیده
منابع مشابه
ژئوشیمی و سنگ‌زایی مجموعه‌ی افیولیتی هرسین- صحنه (شمال شرق کرمانشاه- غرب ایران) شاهدی بر زمین ساخت جنوب نئوتتیس
Ophiolites of the Zagros orogenic belt are part of the Tethys ophiolites, because of their geographical locations and link the Middle East ophiolites and other Asian ophiolites (e.g. Pakistani and Tibetan) to the Mediterranean ophiolites (e.g. Troodos , Greek and East European). The nature of the Harsin- Sahneh ophiolite (Kermanshah) traditionally identified as one of the Mesozoic southern bran...
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Paleocene–Eocene record of ophiolite obduction and initial India-Asia collision, south central Tibet
[1] Uppermost Cretaceous to Eocene marine sedimentary sequences occur both to the south and north of the Yarlung Zangbo suture in south central Tibet. They consist of Indian-margin strata of the northern Tethyan Himalaya and Asian-margin strata of the Gangdese forearc. Both assemblages are characterized by major changes in depositional environment and sedimentary provenance at 65 Ma and an appe...
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Geochemical mapping of the Kings-Kaweah ophiolite belt, California-Evidence for progressive melange formation in a large offset transform-subduction initiation environment
The Kings-Kaweah ophiolite belt of the southwestern Sierra Nevada Foothills was generated in two pulses of mid-oceanic-ridge basalt (MORB) magmatism. The first was in the Early Ordovician, which resulted in the generation of a complete abyssal crust and upper mantle section. The crustal section was rendered from convecting mantle whose Nd, Sr, and Pb isotopic systematics lie at the extreme end ...
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ژورنال
عنوان ژورنال: Lithos
سال: 2021
ISSN: 0024-4937
DOI: 10.1016/j.lithos.2020.105896