XRD of Cuttings of the KTB Main Hole HB1i

Cite as:

KTB, WG Geochemistry (2010): XRD of Cuttings of the KTB Main Hole HB1i. Deutsches GeoForschungsZentrum GFZ. https://doi.org/10.1594/GFZ.SDDB.1271

Status

I N R E V I E W : KTB, WG Geochemistry (2010): XRD of Cuttings of the KTB Main Hole HB1i. Deutsches GeoForschungsZentrum GFZ. https://doi.org/10.1594/GFZ.SDDB.1271

Abstract

The qualitative and quantitative phase analyses were performed in the KTB field laboratory by x-ray powder diffraction using SIEMENS D 500 diffractometer. During early stages of the KTB project a new method for quantitative phase analysis was developed (see references below). The method is based on the comparison of the diffraction spectrum of the unknown sample with those of pure minerals. The powder diffraction data of the minerals are stored in a database built up of 250 natural minerals separated from various types of igneous and metamorphic rocks. The complete analyses (radiation: Cu K alpha, lambda: 1,5405Å, stepwidth: 0,01°, counting time 2 sec/step, angle 2-80°) was carried out automatically including computations. The results of this quantitative phase analysis were used e.g. to check thin section petrography (and vice versa) and to construct a \"mineralogical rock composition log\".

Authors

KTB, WG Geochemistry

Keywords

, Geology

GCMD Science Keywords

EARTH SCIENCE > Solid Earth > Rocks/Minerals > Minerals/Crystals

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