Results 101 to 110 of about 19,957 (229)

TAVŞANLI ZONU: ANATOLİD-TORİD BLOKU'NUN DALMA-BATMAYA UĞRAMIŞ KUZEY UCU

open access: yesBulletin of the Mineral Research and Exploration, 2011
Tavşanlı Zonu, Anatolid-Torid Bloku'nun kuzey ucunda yer alan ve Kretase'de yüksek basınç-düşük sıcaklık koşullarında metamorfizma geçirmiş kesimini oluşturur. Kuzeyden Izmir-Ankara Kenedi, güneyden Afyon Zonu kayaları tarafından sınırlanan Tavşanlı Zonu
Aral I. OKAY
doaj  

The boundary between the Central Asian Orogenic belt and Tethyan tectonic domain deduced from Pb isotopic data [PDF]

open access: yes, 2015
Castillo, Paterno R   +7 more
core   +1 more source

Sulfide mineralization in ultramafic rocks of the Faryab ophiolite complex, southern Kerman

open access: yesJournal of Economic Geology, 2015
Introduction Worldwide, Ni-Cu and PGE magmatic sulfide deposits are confined to the lower parts of stratiform mafic and ultramafic complexes. However, ophiolite mafic and ultramafic complexes have been rarely explored for sulfide deposits despite the ...
Mohammad Ali Rajabzadeh, Fatemeh Al Sadi
doaj  

The older ultramafic rocks of Aberdeenshire, similarities to SSZ ophiolites and significance for regional tectonics [abstract] [PDF]

open access: yes, 2008
It has long been known that there are at least two phases of mafic-ultramafic magmatism in NE Scotland (Read 1919), the well known Younger Gabbro suite and a lesser known ‘Older suite’.
Styles, Michael
core  

Geodynamic setting and origin of the Oman/UAE ophiolite [PDF]

open access: yes, 2012
The ~500km-long mid-Cretaceous Semail nappe of the Sultanate of Oman and UAE (henceforth referred to as the Oman ophiolite) is the largest and best-preserved ophiolite complex known. It is of particular importance because it is generally believed to have
Bibby, Lauren E.   +6 more
core  

Tectono-stratigraphy, formation and emplacement ages of the Beyşehir-Hoyran Nappes in the south of the Sultan Dağları (Isparta, SW Türkiye)

open access: yesBulletin of the Mineral Research and Exploration
The Beyşehir-Hoyran Nappes (BHN), in the south of Sultan Dağları, consist of ophiolite, mélange and nappe slices of different lithologies and ages belonging to the oceanic crust and related rocks, which originated from the northern Neotethys and were ...
Aynur Hakyemez   +4 more
doaj   +1 more source

Plate motions recorded in tectonostratigraphic terranes of the Franciscan Complex and evolution of the Mendocino triple junction, northwestern California [PDF]

open access: yes, 1994
The Mendocino triple junction area of northern California is underlain by the Coastal belt of the Franciscan complex, flanked on the east by the Central and Eastern belts of the Franciscan Complex.
Frederiksen, NO   +4 more
core   +1 more source

Geochemistry of mafic extrusive lavas in the Bayankhongor Ophiolite, Mongolia

open access: yesMongolian Geoscientist
This study presents new geochemical data on pillow lavas from the Bayankhongor Ophiolite in western Mongolia, revealing compositions that range from sub-alkaline to alkaline basalts.
Bayarmaa Batsukh   +4 more
doaj   +1 more source

Detachment Fault‐Hosted Subduction Re‐Initiation of the (Ultra)Slow‐Spreading Western Neo‐Tethys in the Jurassic

open access: yesGeochemistry, Geophysics, Geosystems
Subduction initiation in oceans is key to understanding regional and global plate tectonics and ocean basin dynamics; however, its genetic mechanism is still enigmatic.
Tong Liu   +6 more
doaj   +1 more source

Preliminary Report on the Behavior of U-Pb Zircon and K-Ar Systems in Polymetamorphosed Ophiolitic Rocks and Batholithic Rocks, Southwestern Sierra Nevada Foothills, California [PDF]

open access: yes, 1978
Ophiolitic rocks of the southwest Sierra Nevada foothills form part of the western metamorphic wall of the Sierra Nevada batholith (fig. 1). Geochronological studies were undertaken to determine: (1) The igneous petrogenetic age of the ophiolite; (2)
Saleeby, Jason, Sharp, Warren
core  

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