Dataset Open Access
Schoenig, Jan; von Eynatten, Hilmar; Tolosana-Delgado, Raimon; Meinhold, Guido
The database includes 13615 garnet compositions of eight oxides commonly analysed in lab routines: SiO2, TiO2, Al2O3, Cr2O3, FeOtotal, MnO, MgO, and CaO (in wt%). These are complemented by the following covariables:
setting and metamorphic facies class: code indicating the geologic/tectonic setting of the host rock
composition class: code indicating the compositional class of the host rock
author: authors of the original paper providing the data
journal: journal of the original paper
region: origin of the data, in the format "region, country"
sample name: sample ID in the original paper
Pavg(kbar): if available, indicated pressure
Tavg(°C): if available, indicated temperature
host-rock type and/or metamorphic facies: facies indication of host rock
lithology and/or protolith: composition indication of host rock
SiO2: wt%
TiO2: wt%
Al2O3: wt%
Cr2O3: wt%
FeOtotal: wt%
MnO: wt%
MgO: wt%
CaO: wt%
This research was funded by DFG grant EY 23/27-1.
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schoenig_et_al_2021_supplementary_information_1.xlsx
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Schönig, J.; von Eynatten, H.; Tolosana-Delgado, R.; Meinhold, G. (in press) Garnet major-element composition as an indicator of host-rock type: a machine learning approach using the random forest classifier. Contributions to Mineralogy and Petrology; .doi: 10.1007/s00410-021-01854-w
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