Property Value
id 9655383
igsn 10.60494/e01w-am15
sample_id 323164
eno 912631
sampling_feature_name 323164
sampling_feature_type field site
sample_type outcrop specimen
sampling_method outcrop sampling
material_class rock
stratigraphic_unit Mount Baldhead Granodiorite
geological_province Tabberabbera Zone
sample_remark Rocks closely associated with Marthavale Tonalite. Chemistry suggests a possible arc association. Magmatic crystallisation is expected to be 430-400 Ma (Middle Silurian to Early Devonian) based on ages of nearby volcanic rocks. FROM ASUD: Pale grey to grey, coarse grained, I-type, biotite granodiorite; homogeneous, +/- hornblende.
earth_materials Y
structural_measurements None
inorganic_geochemistry None
organic_geochemistry None
geochronology None
isotope_groups None
hydrochemistry None
rock_properties None
mineralogy None
thin_sections None
repository_samples Y
mineral_deposit_samples None
mineral_deposit_waste_samples None
linked_files None
other_geological_data None
project_name GSV-GA NCF Geochronology
gda94_longitude 147.544091
gda94_latitude -37.378916
sample_originator Geological Survey of Victoria (GSV)
date_acquired 2023-10-16 00:00:00
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