Compare contrast relative dating radiometric dating

In the case of unconformity-type uranium deposits that are spatially-linked to unconformities between sedimentary basin and underlying basement rocks, hydrothermal fluid-rock interactions produced extended alteration envelopes which are used to target mineralization and are therefore important guides for uranium exploration.The purpose of this study is to evaluate the utility of hyperspectral mapping of alteration minerals in drill core samples using the Hy Spex SWIR-320m hyperspectral camera that covers the 1300–2500 nm (SWIR) spectral range.Some measurements for biotic and abiotic stress, as well as for quality assessments, are done by invasive measures.The new evolving sensor technologies provide the opportunity to perform non-destructive evaluations of phenotypic traits using different field phenotyping platforms.One of the biggest technical challenges for field phenotyping of grapevines are the varying light conditions and the background.In the present study the Phenoliner is presented, which represents a novel type of a robust field phenotyping platform.Several absorption features, including six narrow absorption peaks at 425 nm, 1480 nm, 2160 nm, 2218 nm, 2253 nm, and 2347 nm, and three wide peaks between 625–756 nm, 756–915 nm, and 1885–2133 nm have been identified.The strength of the absorption of turquoise increased with decreasing hardness.

RASC-LSD also produced the most accurate results in terms of spatial coverage of benthic components on a very shallow area (inner part of a fringing reef).The purpose of this paper was then to compare different setups of the inversion scheme, each one having its own theoretical strengths and weaknesses regarding the different confounding factors.Six inversion setups were implemented, corresponding to the combinations between (i) three cost functions: least square (LS), spectral angle mapper (SAM) and least square on spectral derivative (LSD), and (ii) two physical constraints imposed on the seabed type retrieval: abundance sum-to-one constraint (ASC) and a relaxed version (RASC).The results on our study areas clearly highlighted the interest of relaxing the ASC when the bottom depth is shallow.In deeper areas, ASC versions of LS- and LSD-based inversion setups produced the best seabed type mapping results.

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