Zircon U–Pb and Hf isotopic constraints on petrogenesis of the Cretaceous–Tertiary granites in eastern Karakoram and Ladakh, India

Vadlamani, Ravikant; Wu, Fu‐Yuan; Ji, Wei‐Qiang

doi:10.1016/j.lithos.2008.12.013

Cited by 135 publications

(125 citation statements)

References 87 publications

Supporting

Mentioning

117

Contrasting

Order By: Relevance

“…It mainly consists of highly deformed and metamorphosed sedimentary rocks including Precambrian basement overlain by Paleozoic and Mesozoic sedimentary covers in the northern KT and metamorphic belt in the southern KT (Fraser et al, 2001;Searle et al, 2010;Zanchi and Gaetani, 2011), which has been interpreted to have affinity with Gondwana (Gaetani, 1997;Heuberger et al, 2007). In addition, the Karakoram Batholith comprises the largest intrusive bodies such as the Cretaceous calc-alkaline granitoids (plus andesites) and the Miocene two-mica leucogranites (Ravikant et al, 2009). …”

Section: Accepted M Manuscriptmentioning

confidence: 99%

“…The KLA comprises arc-related volcanic rocks, metamorphic rocks and volcaniclastic sediments (Burg, 2011;Coward et al, 1987). Meanwhile, the exposed Kohistan-Ladakh batholith shows two intrusive episodes of (1) the 103-83 Ma mafic-ultramafic rocks and arc-related volcanic rocks and (2) the 67-50 Ma diorite-granodiorite-granite (Ravikant et al, 2009). …”

Section: Accepted M Manuscriptmentioning

confidence: 99%

See 1 more Smart Citation

Origin of the late Early Cretaceous granodiorite and associated dioritic dikes in the Hongqilafu pluton, northwestern Tibetan Plateau: A case for crust–mantle interaction

Niu

et al. 2016

Lithos

View full text Add to dashboard Cite

(2016) 'Origin of the late Early Cretaceous granodiorite and associated dioritic dikes in the Hongqilafu pluton, northwestern Tibetan Plateau : a case for crustmantle interaction. ', Lithos., Further information on publisher's website: Use policyThe full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-prot purposes provided that:• a full bibliographic reference is made to the original source • a link is made to the metadata record in DRO • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders.Please consult the full DRO policy for further details. This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. A C C E P T E D

show abstract

Section: Accepted M Manuscriptmentioning

confidence: 99%

Section: Accepted M Manuscriptmentioning

confidence: 99%

Origin of the late Early Cretaceous granodiorite and associated dioritic dikes in the Hongqilafu pluton, northwestern Tibetan Plateau: A case for crust–mantle interaction

Niu

et al. 2016

Lithos

View full text Add to dashboard Cite

show abstract

“…The extensive Gangdese Batholith emplaced into the southern Lhasa block (Fig. 1c) consists predominantly of intermediate-felsic diorites, granodiorites and granites, and was mainly generated during the Jurassic-Early Eocene (198-43 Ma) (e.g., Debon et al, 1986;Harris et al, 1990;Chung et al, 2005;Chu et al, 2006;Wen, 2007;Wen et al, 2008a,b;Ji et al, 2009a;Ravikant et al, 2009).…”

Section: Geologic Background and Petrographymentioning

confidence: 99%

“…1c) (e.g., Searle et al, 1987). Numerous studies indicate that the Jurassic-Early Eocene Gangdese granitoids in southern Tibet are characterized by high and positive ε Nd (t) (up to + 5.5) and ε Hf (t) (up to + 16.5) values (Harris et al, 1988;Jiang et al, 1999; Mo et al, 2007;Wen, 2007;Wen et al, 2008a,b;Ji et al, 2009a;Ravikant et al, 2009;Zhu et al, 2011;Chu et al, 2011), indicating an important contribution from mantle-derived materials. Previous studies have shown that these granitoids were not derived directly from the mantle wedge but generated through intracrustal processes such as basaltic underplating/ remelting and crystal fractionation (Chung et al, 2005;Mo et al, 2007;Wen et al, 2008a,b;Chung et al, 2009;Ji et al, 2009b;Chu et al, 2011).…”

Section: Implications For Crustal Growth In Gangdese Areamentioning

confidence: 99%

Late Cretaceous crustal growth in the Gangdese area, southern Tibet: Petrological and Sr–Nd–Hf–O isotopic evidence from Zhengga diorite–gabbro

et al. 2013

View full text Add to dashboard Cite

“…OG is titanitebearing hornblende-biotite granitoid, having a porphyritic, medium to coarse grained texture and calcalkaline nature. Ravikant et al (2009) reported U-Pb zircon ages of 50-51 Ma for diorites from Tangtse and Darbuk.…”

Section: Geology Of the Study Areamentioning

confidence: 99%

Mantle-derived arc related mafic enclaves and host orthogneiss from the Shyok Suture Zone of NE Ladakh, India: An evidence of magma-mixing

Rao

Daga

Rai³

2013

Geochem. J.

View full text Add to dashboard Cite

The Shyok valley in the northern Ladakh is a linear NW-SE trending suture zone (Shyok Suture Zone) and separates two distinct terranes, the southern continental margin of Eurasian Plate to north, and Ladakh magmatic arc to south. The crustal growth in the Shyok Suture Zone (SSZ) can be explained by two stage melting process involving the generation of orthogneiss (OG) with mafic enclaves (ME) (pre-collision), and temporal evolution towards increasingly more evolved felsic magmas during reworking processes (post-collision). In this paper, the geochemistry of various ME and host OG that fall within the Shyok-Darbuk corridor of the suture zone are discussed.The field, petrographic and geochemical data suggest that the ME and host OG are genetically related. The ME has formed by low degree of partial melting of a garnet-bearing source or from the partial melting of a basaltic source with a clinopyroxene-garnet eclogite as residue. The LILE and LREE enrichment of ME have been influenced by mantle-magma interaction during the passage of the hydrous primary arc-magma through the overlying lithosphere. The likely interpretation for the genetic linkage of ME and host OG is explained through the mixing of coeval mafic (enclave) and felsic melts, resulting in hybrid magma. Besides, several geochemical lines of evidence suggest that fractional crystallization of the resultant hybrid magma had played a complementary role in the evolution of these rocks.

show abstract

Zircon U–Pb and Hf isotopic constraints on petrogenesis of the Cretaceous–Tertiary granites in eastern Karakoram and Ladakh, India

Cited by 135 publications

References 87 publications

Origin of the late Early Cretaceous granodiorite and associated dioritic dikes in the Hongqilafu pluton, northwestern Tibetan Plateau: A case for crust–mantle interaction

Origin of the late Early Cretaceous granodiorite and associated dioritic dikes in the Hongqilafu pluton, northwestern Tibetan Plateau: A case for crust–mantle interaction

Late Cretaceous crustal growth in the Gangdese area, southern Tibet: Petrological and Sr–Nd–Hf–O isotopic evidence from Zhengga diorite–gabbro

Mantle-derived arc related mafic enclaves and host orthogneiss from the Shyok Suture Zone of NE Ladakh, India: An evidence of magma-mixing

Contact Info

Product

Resources

About