2024-03-28T09:48:10Zhttp://doidb.wdc-terra.org/oaip/oaioai:doidb.wdc-terra.org:9232016-11-25T15:14:52ZDOIDBDOIDB.SDDB
10.1594/GFZ.SDDB.1337
Natural Gamma-ray Activity of Cores of the KTB Pilot Hole VB1
KTB, WG Geophysics
Natural Gamma-ray Activity of Cores of the KTB Pilot Hole VB1
2010-09-29
Potsdam, Germany
Deutsches GeoForschungsZentrum GFZ
Dataset
http://dx.doi.org/10.1594/GFZ.SDDB.1337
Earth Science
EARTH SCIENCE
Solid Earth
Rocks/Minerals
Minerals/Crystals
EARTH SCIENCE
Solid Earth
Deep Drilling
Well-Logging
EARTH SCIENCE
Paleoclimate
Ocean/Lake Records
Isotopes
Core Length
Count Rate
Date of Sampling
Density
heat production rate
Potassium
Th/U
Thorium
Uranium
gamma spectrometry
Land based
Complete
49.5898
49.5898
12.1
12.1
KTB
German Continental Deep Drilling Program
BMBF
Bundesministerium für Bildung und Forschung
cc-by
English
SDDB
Scientific Drilling Database
http://www.scientificdrilling.org
DATA CENTER CONTACT
###DC_PERSONNEL_LAST###
Online Internet (HTTP)
In the laboratory, the gamma radiation is measured by a sodium iodtite (NaI) scintillation detector (cores and cuttings) and by a germanium (Ge) semiconductor detector (cuttings).
The cuttings are measured in air tight Marinelli-beakers with a volume of 250 cm3. For the core measurements a special, automatically operating equipment with three NaI detectors is used. A description of this apparatus is given in Wienand et al. (1989). The principle of measurements with the Ge-detector is described by Bücker et al. (1991).The measured spectra are calibrated by a standard of Luvarovite (NIM-L, South African Bureau of Standards). The influence of the local terrestrial radiation on the measurements has been corrected. Especially for the core measurements a calibration procedure has been performed for geometric corrections (core diameter and length). In general, a measuring time of 12 h for the NaI-detector and 2 h for the Ge-detector was chosen.
CEOS IDN DIF
9.7