{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,8]],"date-time":"2025-11-08T22:13:53Z","timestamp":1762640033473,"version":"build-2065373602"},"reference-count":62,"publisher":"MDPI AG","issue":"11","license":[{"start":{"date-parts":[[2021,5,27]],"date-time":"2021-05-27T00:00:00Z","timestamp":1622073600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>In this study, we have processed the spectral bands of airborne hyperspectral data of Advanced Visible Infrared Imaging Spectrometer-Next Generation (AVIRIS-NG) data for delineating the surface signatures associated with the base metal mineralization in the Pur-Banera area in the Bhilwara district, Rajasthan, India.The primaryhost rocks of the Cu, Pb, Zn mineralization in the area are Banded Magnetite Quartzite (BMQ), unclassified calcareous silicates, and quartzite. We used ratio images derived from the scale and root mean squares (RMS) error imagesusing the multi-range spectral feature fitting (MRSFF) methodto delineate host rocks from the AVIRIS-NG image. The False Color Composites (FCCs) of different relative band depth images, derived from AVIRIS-NG spectral bands, were also used for delineating few minerals. These minerals areeither associated with the surface alteration resulting from the ore-bearing fluid migration orassociated with the redox-controlled supergene enrichments of the ore deposit.The results show that the AVIRIS-NG image products derived in this study can delineate surface signatures of mineralization in 1:10000 to 1:15000 scales to narrow down the targets for detailed exploration.This study alsoidentified the possible structural control over the knownsurface distribution of alteration and lithocap minerals of base metal mineralizationusing the ground-based residual magnetic anomaly map. This observationstrengthens the importance of the identified surface proxiesas an indicator of mineralization. X-ray fluorescence analysis of samples collectedfromselected locations within the study area confirms the Cu-Pb-Zn enrichment. The sulfide minerals were also identified in the microphotographs of polished sections of rock samples collected from the places where surface proxies of mineralization were observed in the field. This study justified the investigation to utilize surface signatures of mineralization identified using AVIRIS-NG dataand validated using field observations, geophysical, geochemical, and petrographical data.<\/jats:p>","DOI":"10.3390\/rs13112101","type":"journal-article","created":{"date-parts":[[2021,5,27]],"date-time":"2021-05-27T11:07:02Z","timestamp":1622113622000},"page":"2101","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":26,"title":["Potentials of Airborne Hyperspectral AVIRIS-NG Data in the Exploration of Base Metal Deposit\u2014A Study in the Parts of Bhilwara, Rajasthan"],"prefix":"10.3390","volume":"13","author":[{"given":"Arindam","family":"Guha","sequence":"first","affiliation":[{"name":"Geosciences Group, National Remote Sensing Centre, Indian Space Research Organization, Balanagar, Hyderabad 500010, India"}]},{"given":"Uday","family":"Kumar Ghosh","sequence":"additional","affiliation":[{"name":"Photogeology and Remote Sensing Division, 29, Jawaharlal Nehru Road, Geological Survey of India, Kolkata 700016, India"}]},{"given":"Joyasree","family":"Sinha","sequence":"additional","affiliation":[{"name":"Photogeology and Remote Sensing Division, 29, Jawaharlal Nehru Road, Geological Survey of India, Kolkata 700016, India"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8783-5120","authenticated-orcid":false,"given":"Amin Beiranvand","family":"Pour","sequence":"additional","affiliation":[{"name":"Institute of Oceanography and Environment (INOS), Universiti Malaysia Terengganu (UMT), Kuala Nerus 21030, Malaysia"}]},{"given":"Ratnakar","family":"Bhaisal","sequence":"additional","affiliation":[{"name":"Photogeology and Remote Sensing Division, 29, Jawaharlal Nehru Road, Geological Survey of India, Kolkata 700016, India"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0103-1824","authenticated-orcid":false,"given":"Snehamoy","family":"Chatterjee","sequence":"additional","affiliation":[{"name":"Department of Geological and Mining Engineering and Science, Michigan Technological University, Houghton, MI 49931, USA"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6793-173X","authenticated-orcid":false,"given":"Nikhil","family":"Kumar Baranval","sequence":"additional","affiliation":[{"name":"Geosciences Group, National Remote Sensing Centre, Indian Space Research Organization, Balanagar, Hyderabad 500010, India"}]},{"given":"Nisha","family":"Rani","sequence":"additional","affiliation":[{"name":"Photogeology and Remote Sensing Division, 29, Jawaharlal Nehru Road, Geological Survey of India, Kolkata 700016, India"}]},{"given":"K. Vinod","family":"Kumar","sequence":"additional","affiliation":[{"name":"Geosciences Group, National Remote Sensing Centre, Indian Space Research Organization, Balanagar, Hyderabad 500010, India"}]},{"given":"Pamaraju V. N.","family":"Rao","sequence":"additional","affiliation":[{"name":"National Remote Sensing Centre, Indian Space Research Organization, Hyderabad 500010, India"}]}],"member":"1968","published-online":{"date-parts":[[2021,5,27]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Guha, A., Chatterjee, S., Ooman, T., and Kumar, K.V. (2020). Synergistic use of ASTER, L-band ALOS PALSAR and hyperspectral AVIRIS-NG data for geoexploration of lode type gold deposit\u2014A study in HuttiMaski Schist Belt, India. Ore Geol. Rev., in press.","DOI":"10.1016\/j.oregeorev.2020.103818"},{"key":"ref_2","doi-asserted-by":"crossref","unstructured":"Guha, A., Mondal, S., Chatterjee, S., and Kumar, K.V. (2020). 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