A complete pore characteristic of the Indian Gondwana shale is studied by combining laboratory experiments and numerical modeling. Mercury injection capillary pressure (MICP), nitrogen gas adsorption (N2GA) and scanning electron microscopy (SEM) are the primary laboratory methods used to evaluate the pore characteristics. The N2GA and MICP were coupled to estimate the pore size distribution (PSD) of

The role of groundwater in irrigation and drinking purposes and sustaining growth in economy is well-known. Groundwater is generally less susceptible to contamination and pollution when compared to surface water bodies. This paper is based on extensive investigations on the spatial and seasonal representative measurement of chemical parameters from 80 dug wells of Churu and adjoining Bikaner districts

Marine deposits in the Neogene Siwalik succession have been documented from the Tista valley, Bhutan and Kameng river sections of the Eastern Himalaya. This study was designed to investigate possible marine influence further east. During this investigation, it was revealed that the current classification and description of the stratigraphic units were inadequate to describe the variations present in

Watershed prioritization is beneficial for soil, groundwater development as well as for the implementation of the artificial recharge schemes. It is a well-known scientific process of drainage network delineation and ranking of different sub-watersheds of a basin. This is the mostly adopted morphometric interpretation and assessment technique and used for prioritization of watershed. In the present

This study provides a description and statistical analysis of fold-related fractures in the Khur fold, northeast of Kopet Dagh fold-and-thrust belt, Iran. Kopet Dagh fold-and-thrust belt, as a part of Alpine-Himalaya orogeny belt in west Asia, forms the northeastern boundary of Iran plateau. In this study, the remote sensing technique was utilized to map and statistically analyze the lineaments on

The artificial recharge structures (ARS) project was taken up on Kakatiya University campus, Warangal urban district, Telangana state with the dual purpose of meeting the growing demand for water supply on campus and to demonstrate the benefits of artificial recharge to the students and society at large. Different types of site-specific recharge structures were developed in tune with the local hydrogeological

Quartz porphyry of rhyolitic composition though a volumetrically minor is an important component of metavolcanic successions in the Gadag schist belt in the western Dharwar craton. The quartz porphyries are calc-alkaline, enriched in light rare earth elements (Lan/Ybn ~ 10–20) and with a strong negative Eu anomaly (Eu/Eu*N=0.45–0.58). These features, coupled with high K2O/Na2O (0.8 to 1.46), low Nb/Th

A fully mechanised mining method using continuous miner (CM) for pillar extraction in single-pass is introduced in the year 2010 at Pinoura Mine of South Eastern Coalfields Limited, Bilaspur in India. Overall mining cycle time is reduced by single-pass pillar extraction as it does not require drivage of split galleries in pillars and support installation for such galleries. Further, inherent technical

River morphometry is a useful approach in basin analysis which helps to interprets fluvially originated landforms. The aim of the present work is to evaluate the morphometric and morphotectonic parameters along with prioritization for soil erosion and water availability in Chite Lui watershed. Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) is a useful approach to find out

A ground-based and heliborne survey was conducted immediately after the disaster that took place on 7th February, 2021 in the Chamoli district of Uttarakhand. Based on these observations and freely available Google Earth imagery, we have arrived at plausible causes of this catastrophe as detachment of a sizeable rock mass and overlying hanging glacier in the Raunthi catchment that dammed the Rishiganga

An infrequent occurrence of sapphirine from metapelite rocks of the Cardamom hills of South India has been reported. This report of sapphirine may not be the first from the Southern Granulite Terrane (SGT) but is essentially from a new locality. The studied metapelites are silica-undersaturated devoid of garnet and the sapphirine symplectites. The symplectites of orthopyroxene + cordierite, orthopyroxene

Present study aims to understand the hydrochemical changes in proglacial meltwater stream emerging from the termini of Dokriani Glacier, central Himalaya, India. The major ion concentration of melt water between the years 1994–2015 has been reassessed to infer the glacial/subglacial weathering induced ionic release from Dokriani glacier system. The results from meltwater data collected during post-monsoon

Groundwater based irrigation, which was started in India as early as “Indus Civilizations” got impetus during 3rd five-year plan. In India, at present 78 m ha of irrigation potential is created and 80 percent is utilized. One of the World’s highest user of groundwater is India with 63 percent of its dynamic groundwater resources. Similarly, Telangana State is also utilizing the dynamic groundwater

The Arabian Sea Oxygen Minimum Zone (OMZ) is one of the most intense of the world ocean OMZs witnessing denitrification, hence, has implications to global climate. In order to understand the Holocene variations in the OMZ of this region, a sediment core (BP3-GCR3) from a water depth of 500 m was retrieved, which is presently swept by nearly anoxic waters of the core of the OMZ. The sedimentary oxide-bound

Infiltration is one of the most important hydrological process through which water enters the soil surface and plays a significant role in controlling soil water storage, crop yields, irrigation efficiency and solute entry into the soil profile. In agriculture fields, generally, the top soils are enriched with high organic matter and clay, particularly in black soils that promotes sorption, biological

The earth crust is made up of variety of minerals. These minerals are having very significant applications in our day today life. The various studies, characterizing physical, chemical, electrical, structural properties, have been carried out on the Lonar crater for studying mineralogy, surface morphology and geology but has not been done by remote sensing technology. So, the proposed work focused

Singhbhum craton preserves the records of sedimentation, magmatism, and tectono-thermal events from Mesoarchaean to Neoproterozoic. The Dhanjori Group (DG), located on the northeast margin of the Singhbhum craton, comprises of a variety of rocks including quartz pebble conglomerate, quartzite, schist, inter-layered with mafic to intermediate and rarely acidic lava flows, tuff and agglomerate. Petrography

The mafic sills and unmetamorphosed shales and siltstones of Tadpatri Formation in Cuddapah Supergroup are associated with thin flows of quartz keratophyre and an occasional albitite dyke. The textural characteristics of these quartz keratophyre essentially establish them as igneous extrusive rocks. A detailed study of texture and chemistry, coupled with comparison of available records in geological

The present study aims to quantify the transfer of sediments and nutrients from an inter-montane agricultural catchment located in lower Himachal Himalayas of north western India. The study is based on long-term water quality data for July to September months for the period 2004 to 2010. The data for this study has been procured from Bhakra Beas Management Board, Sundernagar. The study has revealed

The earthquake Frequency Magnitude Distribution (FMD) or b values have been meticulously used in the last two decades as a deterministic earthquake precursor or indicator, in earthquake forecasting or probabilistic seismic hazard assessment studies, in a variety of tectonic and stress regimes. In the present study, temporal fluctuations of b values were analysed by means of 185 well located (Mw ≥ 5)

This study presents the results of geochemical investigations of early to middle Eocene sandstones belonging to the Dalbuing Formation of Yinkiong Group, occurring in and around Yamne valley of Arunachal Pradesh. Geochemically, these sandstones are wacke and lithic arenite, with the former being dominant than the other. The various indices of weathering (CIA, CIW, PIA) suggest intense chemical weathering

Fabaceae, presently a significant dominant taxon of the tropical vegetation of India, has been recognized as the most widespread and common component of Indian Cenozoic flora and known from numerous fossil woods, leaflets, pollen, and fruits. However, unfortunately no fossil legume flower has been reported from the Cenozoic sediments of India so far. Here, for the first time an extinct papilionoid

In marine seismic sections, features like “chimneys”, characterized by low similarity chaotic zones or vertical disordered characteristics arise due to migration of gas. Numerous interpretation tools have been developed for the identification of chimney features from seismic data. Here, a study over a 2D seismic reflection profile, acquired by CSIR-National Geophysical Research Institute (NGRI), Hyderabad

Some recent studies have suggested that the phenomenon of Rock Melt Extrusion (RME) observed in the southern part of Peninsular India could be considered as evidence of volcanism. This suggestion raised major concern for the safety of the southernmost nuclear power plant of India located at Kudankulam, Tamil Nadu. As per IAEA guidelines for siting a nuclear facility, the behaviour of volcanic activity

The alpine vegetation distribution in the Greater Himalaya, Kashmir is preseted and its projected behavior under changing climate using LANDSAT TM (2002) and LANDSAT-8 (2014) data, mapped at 1:30000 scale and having spatial resolution of 30 m. The alpine vegetation in the region spans ∼2990 km2. SRTM DEM was used to delineate the spatial extents of the alpine landscapes (>2500 m asl). A total of nine

Calc-silicate rocks occurring in and around Lunavada town belong to the Kadana Formation of the Lunavada Group of the Aravalli Supergroup. These rocks are embedded within pelitic schists in the form of sporadically distributed lensoidal bodies and are surrounded by quartzitic ridges. Rocks of the Kadana Formation and its surrounding area have experienced intrusive event named as ‘Godhra granite’ which

Fluoride (F−) is the most electronegative and reactive micro nutrient and has no colour, taste and smell. WHO (1984) has set a range of 0.6–1.2 mg/l in drinking water. It is very essential element for strong teeth and bones in human being but beyond permissible limit, it is very harmful for human health. A field based scientific study was conducted in the year 2017 and 2018 in the district of Purulia

The success and failure of different chemical enhanced oil recovery (CEOR) techniques can control to a large extent by the presence of different types of clay, its surface area and the reactivity of the clay with the injected chemicals during CEOR techniques. Therefore, reservoir clay analysis is important to study the CEOR process in general and to formulate the CEOR slug in particular. This study

In comparison to the greenstone belt volcano-sedimentary successions, mature arenite dominated sedimentary deposits are very rarely preserved in Paleo-Mesoarchean rock record. Such arenitic deposits may be important for the recognition of extensive development of continental freeboard and onset of Phanerozoic style plate tectonics. The Keonjhar siliciclastics are ∼715-m thick mature arenite-dominated

Morphometry is a quantitative approach of analysing linear, areal and relief parameters to understand the role of neotectonic activity in geomorphologic evolution of a river basin. In the present study multi-disciplinary integrated approach using morphometric parameters along with remote sensing and GIS technique have been applied for determining the quantitative parameters indicative of neotectonic

The Rock Mass Rating (RMR), Geological Strength Index (GSI) and kinematic analysis are widely employed in geotechnical engineering practice. The RMR and GSI both are used for rock mass characterization while the kinematic analysis is applied to identify the mode of failure of slope based on rock discontinuities and slope face characteristics of rock. An attempt has been made to analyze the RMR, GSI

Uranium deposit at Gogi area is located along the E-W Gundahalli-Gogi-Kurlegere (GK) fault, in the brecciated impure limestone of Shahabad Formation of the Bhima Group of sediments and the basement granite in the central part of the Meso-Neoproterozoic Bhima basin. Uranium mineralisation is associated mainly with sulphide bearing minerals and secondary calcite. Ore microscopic studies indicate that

The hydrochemistry of groundwater samples from the northern part of coastal Sindhudurg district, Maharashtra, India, was studied with an aim to comprehend its suitability for domestic and irrigation use. Groundwater samples were collected from 66 dug wells distributed over the study area, during the month of November 2017. The results of the chemical analysis indicate that the groundwater is alkaline

Flooding causes several threats with outcomes which include peril to human and animal life, damage to property, and adversity to agricultural fields. Therefore, flood prediction is of prime importance for reducing loss of life and devastation to property. To model complex nature of hydrologic processes artificial neural network (ANN) tool is effectively being utilized for modelling different nonlinear

The sub-Himalayan zone of the Himalaya is bounded by the Main Boundary Thrust (MBT) in the northern side and by the Himalayan Frontal Thrust (HFT) in the southern side. HFT is the youngest major tectonic boundary of the Himalaya, separating the Siwalik Hills from the Indo-Gangetic plains. The HFT and Piedmont fault make the densely populated foothill region vulnerable to seismicity. A morphotectonic

The Chalk hills of Salem complex also called Salem mafic and ultramafic complex (SMUC), occurs in northern part of Cauvery suture zone (CSZ), southern granulite terrane (SGT), India with the lithological sequence of ultramafic cumulates, mafic intrusions of gabbros and amphibolites with quartzo-feldspathic veins and ultrapotassic dykes. Recently the complex has been described as Neoproterozoic Alaskan-type

The present paper describes the abundant and very well preserved ichnotaxon complex Hillichnus agrioensis, as established by four different morphological levels of exposures. Associated trace-fossils such as Jamesonichnites heinbergi and Ancorichnus ancorichnus are also being reported from the Hettangian to Bajocian Thaiat Member of Lathi Formation of Jaisalmer basin, western Rajasthan, India. The

The Simlipal complex in eastern India is an elliptical structure with diameter of ca. 50 km coinciding with an elliptical region of high gravity. It overlies the Archaean basement of the Singhbhum craton and has a ring structure characterized by complex series of concentric ridges with inward dipping slopes. Quartz clasts in melt-breccias from the complex display diagnostic shock metamorphic features

Kuttanad area is part of the western coastal plains in Kerala characterized by a thick pile of Tertiary sediments underlying the Recent alluvium. The evolution of aquifer systems in these sediments are closely related to the geological history of the area and the groundwater in the Tertiary aquifer system was evolved during various marine transgressions and regressions. Chemical processes such as leaching

Parameters like aquifer depth, aquifer replenishment rate, aquifer medium, soil medium, percolation medium, and the coefficient of permeability are considered during the preparation of a groundwater vulnerability diagram. The analytic hierarchy process is used for evaluation, and expert scoring is used to analyze and establish the judgment matrix, and then new weights have been computed for each DRASTIC

The coastland of Saurashtra is represented by several estuaries, islands and cliffs. Taxonomy and seasonal distribution of the recent benthic foraminifera along the coastal tracts of the Saurashtra region have been documented. Surface sediments were collected from the fifteen stations of this coast in both pre and post-monsoon. A total of 35 calcareous wall structure bearing species are identified

The regionally extensive Ramu-Markham-Fault-Zone (RMFZ) in Papua-New-Guinea (PNG) passes through the seismically-active hinterland of the Bismarck subduction zone in SW-Pacific. The seismicity map for 400km segment of RMFZ shows that higher magnitude earthquakes mainly originate in four spatial clusters (I–IV), asymmetrically disposed from in-land to offshore on either side of RMFZ. The cluster III

In the year 2013, the Northwestern Himalaya witnessed an extreme hydrological event that severely affected the upper Ganga Basin. The unexpected high sediment mobilisation in the basin affected the human population, infrastructure, and ecology in several reaches of the Ganga river and its tributaries. In an exceedingly affected reach, the Kedarnath valley, a considerable sediment volume (∼26243 × 104

The objective of the study was to find the significant impact of season on the outdoor gamma dose rate including statistical analysis. Outdoor gamma dose rates were studied for 52 locations of the Balod district, Chhattisgarh, India, in summer and winter. Statistical analysis confirmed that there was no significant difference in dose rate between summer and winter. Geology of the area was the most

The rise of groundwater level in slope due to intense rainfall is one of the factors that can trigger slope failure. The groundwater level rise causes increase in the pore water pressure thus reducing the shear resistance of the soil. The purpose of this study is to present a groundwater level evaluation system in response to daily rainfall for slope stability forecasting. The system consists of three

During blasting operations for fluorite in the mining area of the Amba Dongar, numerous xenoliths of different rock types were brought to the surface from time to time in the last several years. The present study is based on the uncovered fenitized gneissic xenoliths in sövite exposed in the mining area. With the aid of detailed petrography and BSE images it is documented that protolith gneiss has

The occurrence and relative stability of metamorphic allanite and monazite in metapelites of the Greater Himalayan Sequence (GHS) in the Dhauliganga valley, Garhwal Himalaya have been studied. The GHS is marked by kyanite grade metamorphism in the lower and middle structural levels and sillimanite grade metamorphism in the upper structural level. The occurrence of allanite is restricted to the lower

Murshidabad is an alluvial terrain in the Gangetic plains of West Bengal. Water is mainly stored in the pore spaces of the formation and thus the yield is quite good from the aquifers of this region. But the suitability of this water for human use not only depends on quantity of groundwater available but also to a great extent on the chemical quality of groundwater. which has direct effect on human

This study reconstructs the pre-impact orientation of impact-generated µm-sized microstructures. The approach is illustrated using a sample from the basement dolerites of the Lockne impact structure, Sweden. Under the polarised light microscope, the microstructure appears as alternating augite-plagioclase wedges. The top-view of the microstructure is presented in the polished thin-section using light

The Ongole coastal dunefield (OCD) is about 20 km long and 2.5 to 3 km wide, and is located to the east of Ongole town between the mouth of the Paleru river in the south and a small creek in the north. Much of the dunefield lies 3–5 m above sea level with some large dune ridges reaching 10–12 m. The area landward of the dune field consists of an extensive marsh. Optically stimulated luminescence (OSL)

In Cambay basin (India) a thick sedimentary sequence exits consisting of shales. This sequence is known as Cambay Shale Formation (both younger and older). In the present investigation 57Fe Mössbauer spectroscopy study was carried on samples of Cambay Shale Formation. These samples are collected from various depth interval from well UBER#2. Results thus obtained are also compared with the Mössbauer

The present study generates a glacial lake inventory of Arunachal Pradesh, Eastern Himalaya, India using Landsat 8 Operational Land Imager (OLI) images (2016-2018). The study reveals that there are in total 1532 (> 0.001 km2) glacial lakes, covering an area of 93.7 km2. Glacier erosion lakes are the most dominant type with 1268 glacial lakes (82.8%) and an area of 76.8 km2 (∼82%). About 50% of the

Downstream changes in channel morphology and its flow were investigated over a monsoon dominated Dwarkeswar river from the western part of West Bengal. The basin has developed over the Proterozoic Granite Gneiss Complex to recent Holocene alluvium, forming three distinctive geomorphological regions of the basin e.g., dissected plateau, plate-fringe and alluvial plain area. Sixty cross-sections along

The abundance of garnet — hornblende pair in a wide range of rocks primarily from upper green schist to granulite facies has made it one of the most widely used pairs for estimation of temperature at which once rocks equilibrated. Several models of garnet- hornblende thermometer have been formulated by a number of researchers in last four decades. In this contribution, four thermometers: Graham & Powell

In the present study, the tectono-geomorphic attributes of the northern part of the Cambay basin, Western India, which has recently witnessed a surge in seismic activity has been investigated. The anomalies in the drainage network (morphometry) along with the sedimentological character of the drainages with OSL chronology was used to unravel the abrupt aggradation and incision processes during the

This study was undertaken to quantify the naturally occurring arsenic in the groundwater and chemical body burden caused by its ingestion at some villages of Fatehabad district, Haryana, India. The arsenic levels in groundwater were quantified by hydride generation atomic absorption spectrometry (HG-AAS). Arsenic concentration in the groundwater was found to be in the range of <0.05 to 4.53 µg L−1

Palaeo-geographical conditions control the sedimentological and hydrological heterogeneity within the upper aquitard and late Pleistocene aquifers beneath Kolkata. Such complexity at Bowbazar was unmapped prior to the Tunnel Boring Machine (TBM) of East-West metro project which hit the local aquifer at 14 m depth. This led to development of cracks in tens of buildings due to land subsidence; few of

The Higher Himalayan Crystallines (HHC) in the Siyom river section of eastern Arunachal Himalaya, display top-to- ESE compressional ductile shear from Pene to Menchuka. In this part of the Himalayan Metamorphic Belt (HMB), the base of the Main Central Thrust (MCT) is the southern boundary of the ductile shear fabrics in HHC. Across the MCT, a significant break in the grade of metamorphism is observed

The present work attempts to analyze the slope stability of road section along the national highway NH-1D from Sonamarg to Kargil in the erstwhile J&K, India. The rugged and treacherous terrain in this region is prone to frequent slope failures taking heavy toll of life, property and inconveniences to commuters due to disruption of vehicular movement. For slope study analysis twenty facets were chosen

Heavy mineral assemblages of sedimentary units are used as an essential provenance constraint. The sedimentary successions of the southern Assam and Siwalik foreland basins were analyzed for their heavy mineral suits and provenance determination. Heavy minerals were identified using the petrological microscope, X-ray Diffraction (XRD) and Electron Probe Micro Analyzer (EPMA) analyses. The study demonstrates