نتایج جستجو برای: alpine himalayan ophiolite

تعداد نتایج: 14666  

Journal: :international journal of aquatic biology 0
gurnam singh h.n.b. garhwal central university naresh k agarwal h.n.b. garhwal central university

assiganga stream is an important tributary of bhagirathi river in central himalaya (india). the stream is characterized by heterogeneity in habitat and substratum features harboring diverse fish fauna. at present this stream is facing threat of being fragmented by the construction of two hydro-electric projects. present study aimed to study fish diversity and their habitat use in assiganga stre...

Journal: :Annals of botany 2011
Andrea Mondoni Robin J Probert Graziano Rossi Emanuele Vegini Fiona R Hay

BACKGROUND AND AIMS Alpine plants are considered one of the groups of species most sensitive to the direct and indirect threats to ecosystems caused by land use and climate change. Collecting and banking seeds of plant species is recognized as an effective tool for providing propagating material to re-establish wild plant populations and for habitat repair. However, seeds from cold wet environm...

Journal: :caspian journal of environmental sciences 2011
al. et g.b.g. pananjay

protected areas are major tourism assets for a nation, particularly for developing countries providing sustainable benefit to the local community while funding for the maintenance and rehabilitation of the protected areas themselves. valley of flowers national park is naturally meant for the conservation and study of western himalayan flora. it became national park in 1982 and after that livest...

2010
Wang-Chun Xu Hong-Fei Zhang Randall Parrish Nigel Harris Liang Guo Hong-Lin Yuan

We present geochronological evidence in the eastern Himalayan syntaxis (Namche Barwa) for high-pressure (HP) granulite-facies metamorphism and explain its importance for understanding both the deep continental subduction of the Indian plate beneath Asia and its subsequent exhumation. The timing of peak and retrograde metamorphism in part constrains these processes but is debated. We present zir...

2002
Uwe Ring Mark T. Brandon

Kinematic data from two segments of the Coast Range fault are used to test the hypothesis that the Franciscan subduction complex was exhumed by extensional faulting. The data reveal a consistent geometry for the principal directions of brittle strain. The maximum extension direction has an east-west orientation and lies subperpendicular to the present attitude of the Coast Range fault, which di...

2006
ÖMER FARUK ÇELİK MICHEL DELALOYE

The Tauride Belt Ophiolites in southern Turkey are located on both sides of the E–Wtrending, Mesozoic Tauride carbonate platform. They comprise the Lycian, Antalya, Beyşehir, Mersin, Alihoca and Pozantı-Karsantı ophiolites from west to east. Each ophiolite has a metamorphic rock unit either at the base of the peridotites or in the mélange units. The metamorphic sole rocks generally consist of a...

Journal: :International Geology Review 2021

Neoproterozoic and Palaeozoic rocks of the Mérida Massif (SW Iberia) have been grouped into tectonostratigraphic units. Each unit is separated from rest ones by either crustal-scale thrusts and/or extensional detachments. The lowermost (Magdalena Gneisses; lower plate) has continental crust affinity, below a mafic-ultramafic ensemble, referred to as Ophiolite (suture zone). Serie Negra Group co...

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