Mineral shock signatures in rocks from Dhala (Mohar) impact structure, Shivpuri district, Madhya Pradesh, India
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Earth System Science"
DOI: 10.1007/s12040-017-0898-8
Abstract: A concrete study combining optical microscopy, Raman spectroscopy and X-ray diffractometry, was carried out on subsurface samples of basement granite and melt breccia from Mohar (Dhala) impact structure, Shivpuri district, Madhya Pradesh, India. Optical microscopy… read more here.
Keywords: impact structure; microscopy; shivpuri district; district madhya ... See more keywords
Spatial U-Pb age distribution in shock-recrystallized zircon – A case study from the Rochechouart impact structure, France
Sign Up to like & getrecommendations! Published in 2020 at "Geochimica et Cosmochimica Acta"
DOI: 10.1016/j.gca.2020.01.017
Abstract: Abstract Age determination of impact structures via the zircon U-Pb system remains challenging and often ambiguous due to highly variable effects of shock metamorphism on U-Pb geochronology. It is, therefore, crucial to link the observed… read more here.
Keywords: impact structure; zircon; rochechouart impact; age ... See more keywords
Grazing impact on structure and dynamics of bare soil areas in a Patagonian grass-shrub steppe
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Arid Environments"
DOI: 10.1016/j.jaridenv.2020.104197
Abstract: Abstract Bare soil is an idiosyncratic and important feature of arid ecosystems that can be affected by human land use such as domestic grazing intensification. Here we focused on the study of individual bare soil… read more here.
Keywords: soil areas; impact structure; bare soil; grazing impact ... See more keywords
Remote Predictive Mapping of the Tunnunik Impact Structure in the Canadian Arctic using Multispectral and Polarimetric SAR Data Fusion
Sign Up to like & getrecommendations! Published in 2018 at "Canadian Journal of Remote Sensing"
DOI: 10.1080/07038992.2018.1544846
Abstract: Abstract The 28-km diameter Tunnunik impact structure in northern Victoria Island, Arctic Canada, was mapped using ASTER, Landsat 8, RADARSAT-2 polarimetric synthetic aperture radar (SAR), and Quickbird data. Multispectral analysis was accomplished through band ratios,… read more here.
Keywords: impact structure; polarimetric sar; multispectral polarimetric; sar ... See more keywords
A Late Paleocene age for Greenland’s Hiawatha impact structure
Sign Up to like & getrecommendations! Published in 2022 at "Science Advances"
DOI: 10.1126/sciadv.abm2434
Abstract: The ~31-km-wide Hiawatha structure, located beneath Hiawatha Glacier in northwestern Greenland, has been proposed as an impact structure that may have formed after the Pleistocene inception of the Greenland Ice Sheet. To date the structure,… read more here.
Keywords: impact structure; structure; hiawatha impact; impact ... See more keywords
Assesssment of human impact on the structure and composition of Lasdana forest district Bagh, Azad Jammu and Kashmir, Pakistan
Sign Up to like & getrecommendations! Published in 2018 at "Pakistan Journal of Botany"
DOI: 10.30848/pjb2019-2(32)
Abstract: Natural forest resources of moist temperate forests of Himalayas are severely threatened due to over exploitation by rural population for their domestic usage. Six forest sites were selected to examine the anthropogenic impacts on natural… read more here.
Keywords: impact structure; human impact; assesssment human; structure composition ... See more keywords