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Quantitative estimation of rare earth element abundances in compositionally distinct carbonatites: Implications for proximal remote-sensing prospection of critical elements
2021
International Journal of Applied Earth Observation and Geoinformation
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A B S T R A C T Rare earth elements (REE) became a strategic raw material in the 21 st century and carbonatite-related deposits frequently carry potentially economic levels of these critical metals. ...
In contrast, modern Remote Sensing (RS) -e.g. proximal remote sensing or imaging spectroscopyhas become a novel tool for detecting and quantifying geological materials as they offer an efficient, non-destructive ...
We are grateful to Dewashish Upadhyay for assistance during field campaigns in India and Radko Š arič for help with identification of the East African Rift samples in the collections of the Czech Geological ...
doi:10.1016/j.jag.2021.102423
fatcat:gskfw2dcrbgzvd7s4ngk7i6ecm
Water and astrobiology
2007
Chemie der Erde
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Water is formed from two of the three most abundant elements in the universe and so is abundant in interstellar space, in our Solar System, and on Earth, where it is an essential compound for the existence ...
This adaptation to extreme conditions bodes well for the prospect of finding life elsewhere in our Solar System and in planetary systems around other stars. ...
We thank Associate Editor Klaus Keil for inviting us to submit this paper, and John Chambers and Nicolas Dauphas for thorough and helpful reviews. ...
doi:10.1016/j.chemer.2007.09.002
fatcat:txobrrpv5zepndhznro6mjyrei
Atlantic Geoscience Society Abstracts: 45th Annual Colloquium & General Meeting 2019
2019
Atlantic geology
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The electrical resistivity of earth materials is sensitive to changes in water saturation, pore fluid temperature, and total dissolved solids, all of which may change seasonally inside the dam in response ...
Repeated measurements of the annual cycle of resistivity within the dam will complement ongoing monitoring of temperature using Distributed Temperature Sensing (DTS), thereby strengthening seepage monitoring ...
The first evidence of terrestrial vertebrates from the lower Mississippian Albert Formation of new Brunswick: implications for the invasion of continental lacustrine ecosystems and biodiversity during ...
doi:10.4138/atlgeol.2019.005
fatcat:fpq4q6sofrfylhvggmqtskmuny
Atlantic Geoscience Society Abstracts: 43rd Annual Colloquium & General Meeting 2017
2017
Atlantic geology
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locate the more prospective proximal volcanic facies without the need for detailed textural interpretation. ...
Natural Resources Canada, Geological Survey of Canada (Atlantic), Bedford Institute of Oceanography, Dartmouth, Nova Scotia B3Y 4A2, Canada
Sulphur solubility of carbonatites, with implications for mass ...
The Quartermain earth Science Centre (QeSC) was opened in 2011 to display the more unique specimens and to provide educational exhibits and structured programs for students and the public. one of the primary ...
doi:10.4138/atlgeol.2017.006
fatcat:s2gxljfgfbebpmxq3dwevmtmoq
GAC-MAC 2021 London Joint Annual Meeting: Abstracts, Volume 44
2021
Geoscience Canada
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Centered over a volcanogenic massive sulphide ore deposit in west-central Newfoundland, the abandoned Gullbridge mine produced 94,000 tonnes of copper concentrate from 2.8 million tonnes of ore from 1967 ...
The tailings facility employs an earth-filled dam separating a valley impoundment reservoir, containing 1.8 million m 3 of subaqueously deposited copper tailings, from an adjacent wetland. ...
MINERALOGICAL AND GEOCHEMICAL CHARACTERIZATION OF THE KIPAWA PERALKALINE COMPLEX: IMPLICATIONS FOR RARE-EARTH ELEMENT DEPOSITS IN PERALKALINE COMPLEX The deposit consists of 10.2 Mt proven reserves (0.44% ...
doi:10.12789/geocanj.2021.48.181
fatcat:fckev3h45jgxhnwbgkvcbacpcq
2001 Colloquium & Annual General Meeting: Moncton, New Brunswick
2001
Atlantic geology
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Their low abundances of high-field-strength elements and rare earth elements, which display unfractionated chondrite-normalized patterns, differ from those of carbonatite and skams. ...
Determining a source for the Hg is critical for the health and reproduction success of this vulnerable bird. ...
doi:10.4138/1974
fatcat:vqehojrttbgg7ka76aoax6jmly
The East Greenland rifted volcanic margin
2011
Geological Survey of Denmark and Greenland Bulletin
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complex (c. 69°N) with carbonatites and silicate rocks rich in melilite, perovskite etc. ...
It was active over a much longer period (36 Ma) than other parts of the province (5 Ma in the Hebrides, Northern Ireland and the Faroe Islands) and contains a wider range of products, including carbonatites ...
This is a Mn rare-earth element -Nb-F endmember of the eudialyte group. ...
doi:10.34194/geusb.v24.4732
fatcat:k5n7h6kxyrdnrfc4f56dfhamje
Abstract Volume of Sixth Nepal Geolgical Congress on Geology, Natural Resources, Infrastructures, Climate Change and Natural Disasters, 15 – 17 November 2010, Kathmandu, Nepal
2012
Journal of Nepal Geological Society
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– 17 November 2010, Kathmandu, Nepal</span></p><p><br />Journal of Nepal Geological Society, 2010, Vol. 41 (Sp. ...
<p>This is the full volume of the Abstracts from the <span style="color: #000000;">Sixth Nepal Geolgical Congress on Geology, Natural Resources, Infrastructures, Climate Change and Natural Disasters, 15 ...
Due to remoteness, difficult terrains, wide geographical coverage, use of remote sensing data and GIS tool is applied for the mapping and monitoring of glacial lakes in the Nepal Himalaya. ...
doi:10.3126/jngs.v41i0.7014
fatcat:cpqkcyfrejcx3llyxiuap374r4
2006 Colloquium & Annual General Meeting
2006
Atlantic geology
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Lentz 1 The Guitard Brook As-Au occurrence, located ca. 25 km northwest of Bathurst, is the fi rst signifi cant occurrence of shear-zone hosted Au mineralization recognized in allochthonous mafi c volcanic ...
Mineralization, in the form of sulphide-and quartz-sulphide veins, and disseminated sulphides occurs within a wider zone of hydrothermally altered (white to yellowish bleached) mafi c rocks. ...
Often in remote sensing studies this choice is made based on a qualitative assessment of the landscape, rather than being based on a quantitative estimate of the most appropriate number of clusters. ...
doi:10.4138/2157
fatcat:uv2xfxviwferdeopprso3bcrgm
Peridot from Tanzania
1983
Gems & Gemology
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Collins A.T. (1982) Colour centres in diamond. Journal of Gemmology, Vol. 18, No. 1, pp. 37-75. ...
., Ivanova M.A. (2012) The absolute chronology and thermal processing of solids in the solar protoplanetary disk. ...
The extraterrestrial model, although conceptual and supported by astrophysical data, will only be vindicated by the discovery of carbonado in the asteroid belt by remote sensing, or by an observed diamond ...
doi:10.5741/gems.19.2.103
fatcat:5unr27m3hvhjpgb3yik5dijpam
The origin and evolution of heavy rare earth element mineralisation in the Browns Range area, Northern Australia
2018
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The authors would like to acknowledge Northern Minerals Ltd for financial and logistical support of this research, and their assistance with fieldwork. ...
Special thanks to Robin Wilson from Northern Minerals Ltd for helping with the field work and sampling, and also to Chris Harris from University of Cape Town for conducting the oxygen isotope analyses. ...
From mantle to critical zone: a review of large and giant sized deposits of the rare earth elements. Geoscience Frontiers, v. 7, p. 315-334. ...
doi:10.25903/fz6r-wd32
fatcat:cfvuibgstjaqtihfowlr4eixy4
Microanalytical approaches to the study of hydrothermal alteration in epithermal and orogenic AU-AG deposits in Newfoundland
2022
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The position of the main chlorite Si-O-Si Raman band shifts from >680 cm⁻¹ for Mg-rich chlorite to <670 cm⁻¹ for Fe-rich chlorite, permitting the estimation of the Fe²⁺ content in chlorite. ...
The Baie Verte Peninsula (Dunnage Zone) hosts abundant orogenic gold mineralization with formation of hydrothermal rutile at distances of [...] ...
Economic Geologists (SEG) Foundation in 2017. ...
doi:10.48336/xept-9p43
fatcat:mwzjy3aw6jhupk5dzxgadrwel4
North American Workshop on Laser Ablation 2019 (May 28, 29-31, Austin, Jackson School of Geosciences
[article]
2019
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NAWLA to be held in the Jackson School of Geosciences. ...
This abstract book constitutes a "snap shot" of laser ablation research in 2019, portraying the diverse research activities of the laser ablation community. ...
also mobilize Mn, Y and light rare earth elements. ...
doi:10.26153/tsw/2070
fatcat:ui4p4kx5lveqpat7uippqjm4du
GeoBerlin2015 - Dynamic Earth from Alfred Wegener to today and beyond - Abstracts
[article]
2015
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In our meeting Dynamic Earth -from Alfred Wegener to today and beyond we will review how Wegener's findings evolved into to modern Earth system science including its impact on climate and the Earth surface ...
In conclusion, the accuracy and precision of these zircon dating methods will be assessed and compared to recent statements of "1-3% (2s) laboratory reproducibility" for SHRIMP/SIM-ages (Schaltegger et ...
remote sensing data of the area. ...
doi:10.2312/gfz.lis.2015.003
fatcat:dzegmsf3lvgk5cczevhpppwu3a
Sedimentology and stratigraphy of the late Cenozoic lake beds succession, Rukwa Rift Basin, Tanzania: implications for hydrocarbon prospectivity
2016
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Thanks to the staff of Heritage Oil Rukwa Tanzania Ltd. in the Dar es Salaam office for support in the fieldwork logistics. Also thanks to Marc Hendrix, ...
Supplementary funds for research, conference fees and travels from the Economic Geological Research Unit (EGRU), Graduate Research School (GRS) and the then School of Earth and Environmental Sciences ( ...
We are indebted to the staff of Heritage Oil Rukwa Tanzania Ltd in the Dar es Salaam office for support in the fieldwork logistics. We thank N. Boniface, J. Edmund, Z. ...
doi:10.25903/17m4-b324
fatcat:5rlspqzfwbbcxd4chs5ppavdmm
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