The occurrence and orientation of shear zones largely follows drury et al. Proterozoic crustal evolution of southernmost india and sri lanka. Variations in f and cl contents in apatites from magnetite. Notably, the moyar shear zone takes a nwse trend further west into the wynad plateau and is named as the bavali shear zone nair et al. Landsat imagery study in this region by drury and holt 1980 revealed the regional nature of the major shear zones. Structural and remote sensing studies of achankovil suture. It is also one among the famed pancha sastha temples in kerala, the other four being kulathupuzha, aryankavu, sabarimala and kanthamala temples. The achankovil shear zone asz is a wnwese trending ductile shear zone that extends about km across the southern parts of kerala. The achankovil shear zone aksz is a nwse trending ductile shear zone passing through the southern granulite terrain sgt has. Structure and tectonics of the achankovil shear zone, southern india. Kinematic indicators include stretched and asymmetric garnet, feldspar and quartz porphyroclasts. The shear zone strikes nwse with distinct rock types to the north and the. The achankovil zone is a nwse trending lineament of achankovil is also the name of the forest area, which is the catchment area for this river, and of a small town situated in the achenkovil forest area. Extension of achankovil shear zone, southern granulite.
The achankovil shear system is one of the major crustal scale structures in peninsular india. Achankovil temple is in the kollam district and is in kerala border. Oct 01, 2001 read geology of the achankovil shear zone, southern india, gondwana research on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Achankovil dharmasastha lord ayyappa temple, kollam. Journey to this temple is really thrilling, you need to travel through forest. School of earth sciences, university of leeds, leeds ls2 9jt, uk. Geology of the achankovil shear zone, southern india. This is a very popular ayyappa temple and daily hundreds of pilgrims visiting here. Request pdf structure and tectonics of the achankovil shear zone, southern india an integrated approach to resolve the kinematics of the controversial. Achankovil tourism, achankovil travel guide, must see. Detrital zircon geochronology of quartzites from the southern.
A number of parallel lineaments demarcate this 1520 km wide shear zone. It consists of garnetbiotitegraphite gneisses and garnetiferous charnockite and khondalites garnetsillimanitebiotitegraphite, cordierite gneiss. Inset map shows configuration of india and madagascar as part of east gondwana. Historically, the coimbatore earthquake which occurred on 8 february 1900, m 6. Two periods of charnockitic magma intrusion during d2 and d3 deformations are. Oct 22, 2015 the achankovil shear system is one of the major crustal scale structures in peninsular india. Sep 12, 2017 this site is located in achankovil shear zone which extends 120 km laterally with a width of 2030 km figs 3 and 4. It is said that the idol at the temple was consecrated by lord parasurama an incarnation of lord vishnu himself. Age and tectonic evolution of neoproterozoic ductile shear. In this, the very important shear zone is achankoil shear zone. Landsat imagery study in this region by drury and holt 1980 revealed the regional nature of.
Located deep in the forest, the presiding deity of achankovil temple in kollam is lord ayyappa. Drift ice consists of floes, drift ice consists of floes, subir kumar ghosh 1,082 words view diff exact match in snippet view article find links to article. Shear lineaments analysis of ambasamudramtenkasi transect. Microstructurally controlled monazite chronology of ultrahigh.
It joins with the pamba river at veeyapuram, in the alappuzha district of kerala. We combine isotopic and trace element geochemistry of major and accessory phases with phase equilibria modelling to provide quantitative constraints on the timing and conditions of peak metamorphism and the nature of the. Phase equilibrium modeling of incipient charnockite formation. Hotels near achankovil river, pathanamthitta on tripadvisor. Many studies were carried out to understand the origin and delineation of this structure. The drift ice zone may be further divided into a shear zone, a marginal ice zone and a central pack. The achankovil river is known as achankovilaru in vernacular. Figure 1 a geological map of southern india showing various granulite blocks and major shearsuture zones modi. Conference paper pdf available march 2015 with 448 reads. Based on lithologic, petrologic and geochronologic criteria, it is suggested that, at least during the late precambrian, the kkb together with southern madagascar and sri lanka formed part of the mozambique belt in the eastern. A pdf version of this document can be downloaded from. Structural and remote sensing studies of achankovil suture of. Mettur shear zone mtsz and achankovil shear zone acsz as shown in figure 2. Research articles estimation of strong ground motion in.
Santosh and sajeev, 2006 and the locality of incipient charnockite star discussed in this study. As the pivot is located near achankovil shear zone which trends wnwese dip towards. With a host of exciting things to do in achankovil, travelers can thoroughly enjoy the experience of exploring this destination. Top 10 pathanamthitta hotels near achankovil river india.
Vallanadu area is a high grade metamorphic terrain of amphibolite to granulite grade forms a part of achankovil shear zone and had experienced dextral and sinistral shears of conjugate fracturing nature was delineated15. The suruli shear zone and regional scale folding pattern in madurai. The 10 closest hotels to achankovil river tripadvisor. Development of crystal lattice preferred orientation and. The wnwese trending achankovil shear zone asz in southern india is a major crustal discontinuity of proterozoic age which separates kerala khondalite belt kkb in the south from the charnockite massif in the north. Pdf drainage development in achankovil shear zone, south. The achankovil zone is a nwse trending lineament of dec 19, 2017. The cauvery shear zone system, comprising the moyarbhavani and palghatcauvery shear zones. In fact, it is like a veritable information packed handbook on achankovil tourism. Achankovil shearsuture zone separating the madurai and trivandrum blocks is also considered as a major tectonic zone collins et al. Luxury hotels including 5 star hotels and 4 star hotels and cheap achankovil hotels with best discount rates and uptodate hotel deals are both available in separate. Recent repeated occurrences of gas bubbles streaming water.
The anchankovil enriches the pathanamthitta district of kerala state. Best hotels near achankovil river, pathanamthitta tripadvisor. The presiding deity of this temple is lord ayyappa. The temple is near the origin of the famous achankovil river, named after the locality. Ampanihy and vorokafotra shear zones, figure 1, several hundred. Extension of achankovil shear zone, southern granulite terrain. Mar 27, 2019 the achankovil shear zone aksz is a nwse trending ductile shear zone passing through the southern granulite terrain sgt has remained enigmatic among scientific community for the perspective of shear zone status and extension. Dextral panafrican shear along the southwestern edge of. Shear lineaments analysis of ambasamudramtenkasi transect of. Pdf achankovil shear zone of tirunelveli regions revisited to examine the. This nwse trending shear zone stretches across the western ghats for a strike length of 120 km. Pdf geology of the achankovil shear zone, southern india. The former falls under the partly closed and closed category of lagoons whereas the latter under the estuarine lagoon category.
Lloyd department of geology, university of kerala, kariavattom, trivandrum, india 695 581. Pdf coastal zone management plan as per crz notification. Achankovil ayyappa temple in kollam district images, route. Rocks in the tenmala shear zone include charnockite, garnetbiotite gneiss, garnetsillimanite gneiss, cordierite gneiss, and granite. Introduction the achankovil shear zone is a well deciphered lineament of 825 km width on landsat imageries and aerial photos mosaic trending wnwese to nwse direction and it. Dunite, glimmerite and spinellite in achankovil shear zone, south india. The achankovil shear zone aksz is a nwse trending ductile shear zone passing through the southern granulite terrain sgt has remained enigmatic among scientific community for the perspective of shear zone status and extension. Slow cooling at higher temperatures recorded within highp. Age and tectonic evolution of neoproterozoic ductile shear zones in. Achankovil is an important hindu pilgrim centre and the famous sastha temple here is situated amidst thick forest.
This event was felt throughout the southern part of india, south of latitude 14 n, in which damages to houses were also reported. Achankovil is also the name of the forest area, which is the catchment area for. May 22, 2015 the achankovil zone of southern india forms a distinct isotopic and structural boundary separating the madurai block to the north from the trivandrum block to the south. A granulite facies kalsiliteleucitehibonite association from punalur, southern india. If you are travelling for the first time, the achankovil travel guide may help resolve most of your queries about achankovil. Achankovil is a river in kerala, india, created towards the southern tip of the peninsula by the confluence of the rishimala, pasukidamettu, and ramakkalteri rivers. The achankovil shearzone aksz, a nwse trending strike slip shearzone of late proterozoic age, situated in the southern part of the sgt, is conspicuous in the satellite imageries and aero magnetic data drury and holt, 1980, drury et al. About 25 km of the mainstream and 16 km of the kallar tributary are blanketed by alluvial sediments rich in boulders, cobbles and gravel in the upper part and gravelly sand in the lower part. Isotopic systematics of zircon indicate an african affinity. Show full abstract earlier literature confirmed that these specimens are the result of co evolution realize by the edaphic effects of achankovil shear zone. This indian river is formed when several small streams namely rishimala river, pasukidametttu river and the ramakkalteri river meet together in eastern kerala. Pdf charnockitisation of achankovil shear zone researchgate. Structure and tectonics of the achankovil shear zone. International journal of earth sciences 99, 1267 303.
The study aims to determine the kinematics of shear zones of the area and. Descriptions of the thin sections were documented in free text and the micro. International science congress association 1 shear lineaments analysis of ambasamudramtenkasi transect of achankovil tambraparani shear zone, south india manimaran g. Achankovil shearzone,a manifestation of the forthcoming major seismotectonic activities of indian plate. Achankovil sastha temple is a hindu temple and one of the 108 sasthalayas, located in pathanapuram tehsil of kollam district in the indian state of kerala. Achankovil temple dedicated to lord ayyappa in kollam. Heterogeneity in crustal structure across the southern. Dextral panafrican shear along the southwestern edge of the. Achankovil dharmasastha temple udayamritham 16th dec 2017. Mar 25, 2020 potential sites of this suture lie in the palghatcauvery shear zone, along the northern margin of the madurai block 8 and within the southern madurai blockachancovil zone 1 with the remnants of. Semantic scholar extracted view of the achankovil shear zone, southern india.
Achankovil ayyappa temple in kollam district images. Subcategories this category has the following 2 subcategories, out of 2 total. Achankovil ayyappa temple is situated in kollam district of kerala. Isotopic systematics of zircon indicate an african. Detrital zircon geochronology of quartzites from the. Dec 19, 2017 achankovil dharmasastha temple udayamritham 16th dec 2017 amrita tv. The extension of the mozambique ocean suture into madagascar betsimisaraka suture and central tanzania have also been proposed moller et al. Role of microfabrics and magnetic fabrics in the tectonic. Drift ice consists of floes, drift ice consists of floes, 2011 lorca earthquake 1,501 words view diff exact match in snippet view article find links to article. The neoproterozoic depositional ages obtained from zircon grains in the metasediments of trivandrum block show. Achankovil shear zone of tirunelveli regions revisited to examine the charnockitisation processes of this region.
Request pdf structure and tectonics of the achankovil shear zone, southern india an integrated approach to resolve the kinematics of the controversial achankovil shear zone aksz has been. India plate angular velocity and contemporary deformation. It is very much important among the sastha temples in kerala. Heavy mineral contents and provenance of late quaternary. Paleoposition of india and madagascar at 500 ma in the gondwanaland assembly modified after rekha et al. Microstructurally controlled monazite chronology of. Kinematic analysis of ductile and brittleductile shear zones in.
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