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Characteristics of Pegmatoidal Granite Exposed Near Bayalan, Ajmer District, Rajasthan
Characteristics of pegmatoidal granite exposed near Bayalan, Ajmer district, Rajasthan Nilanjan Dasgupta1,∗, Taritwan Pal2, Joydeep Sen1 and Tamoghno Ghosh1 1Department of Geology, Presidency University, 86/1 College Street, Kolkata 700 073, India. 2Department of Geology and Geophysics, IIT Kharagpur, Midnapore, West Bengal, India. ∗e-mail: [email protected] The study involves the characterization of pegmatoidal granite, southeast of Beawar, Ajmer district, Rajasthan. Earlier researchers had described this granite as part of the BGC, basement to the Bhim Group of the Delhi Super Group rocks. However, the present study indicates that it is younger than the rocks of Bhim Group of South Delhi Fold Belt, into which it is intrusive. The intrusion is structurally controlled and the outcrop pattern is phacolithic. The granite had intruded post-D2 deformation of the Delhi orogeny along the axial planes of D2 folds. The intrusion has also resulted in the formation of a contact aureole about the calc gneisses. 1. Introduction host rocks by this emplacement have been studied. An attempt is made to fix the time of emplacement A long geological history since Middle Archaean with respect to the different deformational events is recorded in the Precambrian belt of Rajasthan. of the Delhi orogeny. The rocks of the study area fall within the The granites were earlier classified as basement ‘Delhi System’, defined in the pioneering study of rocks of pre-Delhi age (Heron 1953; Gupta 1934), Heron (1953), and now rechristened as the Delhi which is contrary to the present findings. Supergroup (Gupta and Bose 2000 and references therein) (figure 1). Within the study area around the small village of Bayalan, 10 km southeast of Beawar in Ajmer district of Rajasthan, pegma- 2. -
District Survey Report of Jalore District 1.0 Introduction
District Survey report of Jalore District 1.0 Introduction The district derives its name from the town of Jalore, which is the headquarters of the district administration. District is located between latitudes 24º 37’ 00” to 25º 49’ 00” and longitudes 71º 11’00” to 73º 05’00” with an area of 10,640 Sq. kms (3.11% of the State). The district is part of Jodhpur Division. The district is composed of five sub-divisions viz. Jalore, Ahore, Bhinmal, Sanchore, Raniwara which cover seven tehsils viz: Jalore, Ahore, Bhinmal, Sanchore, Raniwara, Sayala, Bagora and seven blocks viz: Jalore, Ahore, Bhinmal, Sanchore, Raniwara, Sayala & Jaswantpura. Total number of villages in the district is 802 and it also has 3 urban towns. Total population of the district as per Census 2011 is 1828730 with male and female population of 936634 and 892096 respectively. Administrative divisions of Jalore district are depicted in the index map (Fig. 1). 2.0 Rainfall & Climate Average annual rainfall (1971-2012) of the district is 445.4 mm. However normal rainfall for the period 1901 to 1970 is 400.6 mm. The annual rainfall gradually decreases from southeastern part to northwestern part. Climate of the district is dry except during SW monsoon season. The cold season is from December to February and is followed by summer from March to June. Period from mid of September to end of November constitutes post monsoon season. The district experiences either mild or normal drought once in two years. Severe type of drought has been recorded at Ahore block. Most severe type of drought has been recorded at Bhinmal, Sanchore & Jaswantpura blocks. -
Hydrogeological Atlas of Rajasthan Pali District
Pali District ` Hydrogeological Atlas of Rajasthan Pali District Contents: List of Plates Title Page No. Plate I Administrative Map 2 Plate II Topography 4 Plate III Rainfall Distribution 4 Plate IV Geological Map 6 Plate V Geomorphological Map 6 Plate VI Aquifer Map 8 Plate VII Stage of Ground Water Development (Block wise) 2011 8 Location of Exploratory and Ground Water Monitoring Plate VIII 10 Stations Depth to Water Level Plate IX 10 (Pre-Monsoon 2010) Water Table Elevation Plate X 12 (Pre-Monsoon 2010) Water Level Fluctuation Plate XI 12 (Pre-Post Monsoon 2010) Electrical Conductivity Distribution Plate XII 14 (Average Pre-Monsoon 2005-09) Chloride Distribution Plate XIII 14 (Average Pre-Monsoon 2005-09) Fluoride Distribution Plate XIV 16 (Average Pre-Monsoon 2005-09) Nitrate Distribution Plate XV 16 (Average Pre-Monsoon 2005-09) Plate XVI Depth to Bedrock 18 Plate XVII Map of Unconfined Aquifer 18 Glossary of terms 19 2013 ADMINISTRATIVE SETUP DISTRICT – PALI Location: Pali district is located in the central part of Rajasthan. It is bounded in the north by Nagaur district, in the east by Ajmer and Rajsamand districts, south by Udaipur and Sirohi districts and in the West by Jalor, Barmer and Jodhpur districts. It stretches between 24° 44' 35.60” to 26° 27' 44.54” north latitude and 72° 45' 57.82’’ to 74° 24' 25.28’’ east longitude covering area of 12,378.9 sq km. The district is part of ‘Luni River Basin’ and occupies the western slopes of Aravali range. Administrative Set-up: Pali district is administratively divided into ten blocks. -
Fishing Techniques Practised in Salumbar Tehsil of Udaipur District, Rajasthan
International Journal of Science and Research (IJSR) ISSN: 2319-7064 SJIF (2020): 7.803 Fishing Techniques Practised in Salumbar Tehsil of Udaipur District, Rajasthan Sabiha Sindhi1, Sonika Rathore2 1Assistant Professor, B.N. University, Udaipur (Raj), India 2Research Scholar Email: sonikarathore01983[at]gmail.com Abstract: Humans have been fishing and hunting since the beginning of time, for both subsistence and recreation. A study was carried out to look into the environmental impact of local fisheries and to protect traditional fishing techniques. Five traditional fishing techniques were reported during the research periods. Fishing and hunting are two of humanity's earliest activities. Keywords: Traditional, Fish, techniques 1. Introduction observe the construction of the fishing machinery and processes while fishing on land, ephemeral ponds and small Key to scientifically and judiciously utilise and manage rivers were followed by rains where fishing took place. fisheries resources is the understanding of fishing gear, crafts Those were interrogated attentively during the fishing and fishing methods. Fishing networks and gear are those procedure. devices with varied forms and sizes that are utilised for capturing different fish species in aquatic bodies. Fishing 3. Result tactics used in a geographical region usually depend on different behavioural traits and the fish fauna type accessible Present study was undertaken to have a detailed study on the in that area for micro-habitats. In India, the mostly traditional fishing method practiced by tribal people of traditional and non-mechanized fishing equipment and gear Salumbar tehsil. The main tribe of Salmbur tehsil are Bhil, is utilised. One of the livelihoods that exhibit their Bhil meena and Damor. -