WebJan 1, 2024 · Osumilite in the studied domains is partially to completely replaced by fine-grained symplectitic intergrowths of K-feldspar + cordierite + orthopyroxene ± quartz (Fig. 3 e-j). Also, the relative abundance of the constituent phases vary locally, within the same symplectitic domain, as is seen in the variation in the K-intensity maps (Fig. 3 e ... WebMar 1, 2008 · This paper describes the occurrence of a rare form of exsolution texture known as symplectitic augite in a melagabbronorite from the lower portion of the Platreef in the Northern Sector of the Northern Limb as intersected by the Moordkopje (MO-1) drill hole. The texture is thought to have formed at around 1100°C, a temperature almost …
Symplectitic augite from the Platreef –textural evidence for …
WebAug 1, 2024 · The mantle and symplectitic amphibole phases formation was promoted by the subsequent infiltration of metamorphic fluid. The aluminous amphibole in the SiO 2 phase-bearing eclogites probably recrystallized with the formation of a localized SiO 2 -undersaturated reaction domain because of rapid exhumation and subsequent rapid … WebAug 27, 2014 · Origin of Asymmetric Symplectitic Texture in Mantle Xenoliths from the Fangshan Basalt, Eastern China - Volume 20 Issue S3. Skip to main content Accessibility … cute baby werehog sonic in a carrier drawing
Symplectic Definition & Meaning - Merriam-Webster
WebMar 1, 2024 · The ilmenite in Unit III commonly contains symplectitic intergrowth of magnetite-rutile (type-II, Fig. 3c) and is closely associated with hydrous silicates (Figs. 3d and 3e). Both type-I and type-II intergrowths are observed in the ilmenite of the melagabbro at the bottom of Unit III, which was then selected to investigate in this study. WebThese rocks differ from the symplectitic eclogites described above in their structural characteristics and chemistry of minerals. Subhedral and rounded grains of garnet do not … WebJun 28, 2024 · Tingting Wang, Jianping Zheng, James M Scott, Xianquan Ping, Qiang Ma, Qing Xiong, Sai Zhang, Coronitic and Symplectitic Textures in Meta-Troctolite Reveal the … cheap all inclusive resorts saint thomas