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- W4206691474 abstract "<strong class=journal-contentHeaderColor>Abstract.</strong> A two-stage fuzzy inference system (FIS) is applied to prospectivity modelling and exploration-target delineation for rare earth element (REE) deposits associated with carbonatiteâalkaline complexes in the western part of the state of Rajasthan in India. The design of the FIS and selection of the input predictor map are guided by a generalised conceptual model of carbonatiteâalkaline-complex-related REE mineral systems. In the first stage, three FISs are constructed to map the fertility and favourable geodynamic settings, favourable lithospheric architecture for fluid transportation and favourable shallow crustal (near-surface) emplacement architecture, respectively, for REE deposits in the study area. In the second stage, the outputs of the above FISs are integrated to map the prospectivity of REE deposits in the study area. Stochastic and systemic uncertainties in the output prospectivity maps are estimated to facilitate decision-making regarding the selection of exploration targets. The study led to the identification of prospective targets in the KamthaiâSarnu-Dandeli and Mundwara regions, where detailed project-scale ground exploration is recommended. Low-confidence targets were identified in the Siwana ring complex region, north and northeast of Sarnu-Dandeli, south of Barmer, and south of Mundwara. Detailed geological mapping and geochemical sampling together with high-resolution magnetic and radiometric surveys are recommended in these areas to increase the level of confidence in the prospectivity of these targets before undertaking project-scale ground exploration. The prospectivity-analysis workflow presented in this paper can be applied to the delineation of exploration targets in geodynamically similar regions globally, such as Afar province (East Africa), ParanáâEtendeka (South America and Africa), Siberia (Russia), East European CratonâKola (eastern Europe), Central Iapetus (North America, Greenland and the Baltic region) and the pan-superior province (North America)." @default.
- W4206691474 created "2022-01-25" @default.
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- W4206691474 date "2022-01-12" @default.
- W4206691474 modified "2023-10-14" @default.
- W4206691474 title "Reply on RC1" @default.
- W4206691474 doi "https://doi.org/10.5194/se-2021-108-ac2" @default.
- W4206691474 hasPublicationYear "2022" @default.
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