Classification
GBEN - Tectonics
34
GBAH - Stratigraphy, history of earth
4
GCAC - Regional geology - noneuropean countries
4
GVA - Oceanography
4
GCAA - Regional geology - Germany
3
GHA - Petrology - general
3
GBA - General geology, historical geology
2
GBE - Geology - endogene processes, exogene processes
2
GBH - Marine geology
2
GBHC - Ocean floor - sediments, morphology
2
GHF - Igneous rocks, metamorphic rocks
2
GKKE - Seismic exploration
2
GMK - Geochemistry of elements, minerals, rocks
2
EFA - Petroleum, natural gas
1
GBEK - Plate tectonics, continental drift
1
GBER - Volcanism
1
GCA - Regional geology
1
GDAC - Seismicity, earthquake engineering
1
GHHD - Sedimentary transport, sedimentation
1
GHHF - Sedimentary basins
1
GHM - Sedimentary rocks
1
GKKA - Geophysical well logging
1
GNA - Geology - soil sciences
1
GTAK - Hydrogeology
1
GWC - Ore deposits
1
GWCC - Exploration and evaluation of ore deposits
1
UVF - Environmental aspects of heavy metals and their compounds
1