If you would like to browse for books on your topic, use the LC classification for Geology (QE1-996.5)
QE 1-350 - General
QE 351-399 - Mineralogy
QE 420-499 - Petrology
QE 521-545 - Volcanoes & Earthquakes
QE 601-613 - Structural Geology
QE 640-699 - Stratigraphy
QE 701-760 - Paleontology
QE 761-899 - Paleozoology
QE 901-996 - Paleobotany
If you would like to browse for books on your topic, use the LC classification for Geophysics and Meteorology (QC801-879.59)
QC 801-809 - Geophysics
QC 811-849 - Geomagnatism
QC 851-999 - Meteorology. Climatology
If you would like to browse for books on your topic, use the LC classification for Mining (TN263-580)
TN 263-265 - Mineral Deposits, Metallic Ore Deposits
TN 269-269.88 - Geophysical Surveying
TN 400-580 - Ore Deposits and Mining of Particular Metals