Geochemical evolution of the mangalwar complex, aravalli. Pdf evolution of continental crust of the aravalli craton, nw india. Deep crustal structure of the indian shield from joint inversion. The transhudson orogeny or transhudsonian orogeny was the major mountain building event orogeny that formed the precambrian canadian shield, the north american craton also called laurentia, and the forging of the initial north american continent. It demonstrates a paradigm shift towards studying the precambrian shield regions using petrological, geochemical, structural, metallogenic, sedimentological and paleobiological data from the rocks in the precambrian shield area, and presents a collection of. Reos isotopes and major and trace element geochemistry of. Aravalli craton of nw indian shield preserves thickest and extensively developed proterozoic sedimentary sequence 18.
Tectonic evolution of the aravalli mountains wikipedia. Introduction dharwar craton wdc and edc baster craton singbhum craton bundelkhand craton aravalli craton conclusion references contents. Inset shows the 34 location of aravalli mountain range in india. The banded gneissic complex bgc of the aravalli craton is divided into bgci and. The aravalli mountain range is in the northwestern part of india.
The aravalli range devanagari, also spelled aravali range, is a range of mountains running approximately 692 km 430 mi in a southwest direction, starting in north india from delhi and passing through southern haryana, through to western india across the states of rajasthan and ending in gujarat. The aravalli mountains consist of the aravalli and delhi fold belts, and are collectively known as the aravalli delhi orogenic belt. Geochemistry, zircon ages and wholerock nd isotopic. Scribd is the worlds largest social reading and publishing site.
Sedimentation of the aravalli supergroup took place simultaneously with basic magmatism and followed by a gradual subsidence of the aravalli basin floor. Here we present wholerock geochemical elemental and nd. Evidence from trace elements, ree geochemistry and srndo isotope systematics of ultrama c dykes a roy1, a sarkar2, s jeyakumar3, s k aggrawal3, m ebihara4 and h satoh5 1coal wing, geological survey of india, dk6, sectorii, salt lake, kolkata 700 091, india. The precambrian sedimentary basins were developed on four major archaean nuclei dharwar, bastar, singhbhum and aravallibundelkhand. The archean granitoids of the aravalli craton nw india are represented by orthogneisses 3. Aravalli group and upper aravalli group roy, 1988, separated by an unconformity. Pdf geochemical evolution of the mangalwar complex, aravalli. The aravalli mountain range can broadly be divided into. Banded gneissic complex bgc these are the oldest rocks of aravalli craton and comprise a complex sequence of magmatic and raetamorphic rocks. A hybrid source, having component of fractional crystallizationderived mafic melt mixing with melt generated by partial. Geological evolution of the precambrian indian shield m. The taj mahal of agra one of the seven wonders of the world and a unesco world heritage site and the victoria memorial of kolkata are both made in makrana marble, enumerating the two most.
Trans aravalli region hosts neoproterozoic sediments 19. Major lithologies within the craton include ttg gneisses, calcalkaline granitoids, and volcanosedimentary greenstone sequences. Gold evolves as a siderophile element from the ironnickel core at crustal spreading centers. Alwar hills eastern hill range, shekhawati hills central hill range, and mewar hills which include the udaipur, dungarpur and sirohi district. Geochemistry, zircon ages and wholerock nd isotopic systematics for palaeoproterozoic atype granitoids in the northern part of the delhi belt, rajasthan, nw india. The aravalli craton situated in the northwestern india, together with the bundelkhand craton comprises the nib. The major lithologies are phyllites and quartzites with significant components of greywacks and dolomite. Citescore values are based on citation counts in a given year e.
The supergroup consists of three unconformitybounded stratigraphic groups, namely lower, middle and upper aravalli groups fig. Geological evolution of the precambrian indian shield springerlink. Geochemical evolution of the mangalwar complex, aravalli craton. The stratigraphic entities important for this study are been described here as follows and their spatial relationship is been given in fig. Within the aravalli craton, there are three tectonic litho domains viz archean banded gneissic complex bgc, paleo to mesoproterozoic aravalli delhi supracrustals and the neoproterozoic peripheral vindhyan and transaravalli terrane represented by sirohi, sindreth and punagarh basins gupta et al. The aravalli mountain range is a northeastsouthwest trending orogenic belt in the northwest. Ramakrishna and vaidyanadhan, 2010 and the contiguous aravalli delhi mobile belts admb. Precambrian continental crust and its economic resources. Pdf geochemistry of palaeoproterozoic rocks of aravalli. During the paleoproterozoic era, the opening of aravalli oceanic basin separated the eastern bundelkhand craton and the western marwar craton.
Makrana marble is one of the most preferred ornamental and masonry stones from northwest india that finds its usage in several spectacular heritage buildings and monuments within the country and abroad. Aravalli craton stratigraphy series geologyconcepts. The indian shield represents a vast repository of the precambrian geological record. Metamorphism during the archeanpaleoproterozoic transition. North of the dharwar craton are the deccan traps, which comprise 11.
Do the bgci and bgcii domains of the aravalli craton. The plain, lying to the west of aravalli hills, covers 1,75,000 sq km area of the rajasthan. Amraravalli mountain range, bc bundelkhand craton, citzcentral indian thrust zone, sbhsinghbhum craton, bst bastar craton, dhdharwar craton, sgtsouthern granulitic terrain. Exploration geology in and around udaipur, aravalli craton. These sequences crop out in two linear belts namely paleoproterozoic aravalli fold belt and mesoproterozoic delhi fold belt. Tectonostratigraphic status of the proterozoic babarmal pink marble. The chagoslaccadive ridge is oriented nnwsse parallel to the indian west coast shelf margin and the dharwar structural trends. Pdf archean ttg magmatism in the aravalli craton, nw india. A decrease in temperature during the late middle pleistocene interglacial stage mis 7. The lower aravalli group overlies the bgc basement. The aravalli mountain range is a northeast southwest trending orogenic belt in the northwest. This study reveals that granitic rocks of the aravalli craton evolved from slab melting. The aravalli range is the remnant of an early proterozoic orogen called the aravalidelhi orogen that joined the two older segments that make up the indian craton. May 12, 2016 the aravalli craton and the southern granulite terrain dharwar craton were two distinct cratonic blocks which collided and sutured by early mid proterozoic times 2.
Aug 15, 2016 read geochemistry of archean metasedimentary rocks of the aravalli craton, nw india. Pdf bundelkhand, aravalli and dharwar cratons indian shield. The aravallidelhi mobile belt in the northwestern part of india demonstrates how granulite enclaves and their host gneisses can be utilized to unravel multistage metamorphic histories of orogenic belts, using three suites of metamorphic rocks. Table of contents geological society, london, memoirs. Metamorphic evolution of palaeoproterozoic anatectic migmatites in the eastern part of the aravallidelhi fold belt, india.
This large time span is difficult for humans tothis large time span is difficult for humans to comprehendcomprehend suppose that a 24hour clock representedsuppose that a 24hour clock represented all 4. It extends approximately 500 kilometres 311 mi from its northern end to isolated hills and rocky ridges into haryana, ending near delhi. The term province, as used herein, follows canadian terminology for archean rocks 2. The collision between the bundelkhand craton and the marwar craton is. Purchase precambrian continental crust and its economic resources, volume 8 1st edition.
Archean and early proterozoic tectonic framework of north. Since 1893, the journal of geology has promoted the systematic philosophical and fundamental study of geology. Metamorphic evolution of palaeoproterozoic anatectic. Late archaean mantle metasomatism below eastern indian craton. The comparison of jhiri pluton with other neoarchean granitoids of the aravalli delhi mobile belt admb and bundelkhand craton shows the granite to be more evolved and have strong depletions for hrees with layb n 20. Geochemistry of archean metasedimentary rocks of the aravalli.
Geochemistry of palaeoproterozoic rocks of aravalli. This book presents findings from research into the precambrian history of the indian shield obtained using stateoftheart technology. The delwara formation of this group is dominated by sequences of ma. The 1 st international applied geological congress. Pdf the banded gneissic complex bgc of the aravalli craton is divided into bgci and. Pdf archean ttg magmatism in the aravalli craton, nw. Geochemistry of sericite deposits at the base of the. Transhudson orogeny wikimili, the free encyclopedia. The geological history of aravalli craton evolved through a wide span of time ranging from 3000 ma to about 500 ma gopalan et al. Evidence of an early cryogenian metasomatic event in the northern aravalli orogen.
Submitted parvej alam by iit roorkee craton kraton is the greek word for shield. Implications for provenance, paleoweathering and supercontinent reconstruction, journal of asian earth sciences on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Petrology, geochemistry and geochronology of neoarchean a. An archean province is a contiguous area of continental lithosphere bounded by early proterozoic orogens inferred to be suture zones. Geochemical study of the neoproterozoic clastic sedimentary. Pdf bundelkhand, aravalli and dharwar cratons indian. The aravalli mountain range is a northeastsouthwest trending orogenic belt in the northwest part of india and is part of the indian shield that was formed from a series of cratonic collisions.
A craton may be defined as the center of a continent which is relatively stable, with thin sedimentary sequences punctuated by unconformities. Pdf neoarchaeanpalaeoproterozoic granitoids of the aravalli craton, represented by four plutons with different ages, viz. The meta sedimentarymeta volcanic rocks included into the aravalli supergroup occupy a 200 km long belt which varies in width from 70 km in the south to less than 10 km in the north. Springer nature is making sarscov2 and covid19 research free. In the east, the great boundary fault gbf separates the aravalli craton from the bundelkhand craton, although the two have. Basement of the aravalli craton, commonly referred to as the banded gneissic complex bgc gupta, 1934, heron, 1953, is a collage of lithologies having varied composition and ages. The emplacement ages of the igneous protolith and inferred ages of the metasedimentary rocks from both the bgci and the bgcii is summarised in table1. Comparison of the mesoneoarchean crustal evolution of the bundelkhand, aravalli, western and eastern dharwar cratons shows that geodynamic mechanisms, similar to modern platetectonic and mantle. Basavarajappa 2nd semester, geology professor presentation on cratons of india 2. The litho package of aravalli supergroup asg is different than that of aravalli system. The precambrian lasted for more than 4 billionthe precambrian lasted for more than 4 billion years. American craton, known as laurentia hoffman, 1989, and references therein. The paleoproterozoic aravalli supregroup of rocks, hosted in aravalli craton of nw shield, is deposited in shallow and deep water conditions. During partial melting of the mantle, gold along with metals derived from sulphides rise with basaltic magmatic fluids into the crust along midoceanic ridges and at subduction zones.
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