Property Value
id 1925609
igsn 10273/AU1925609
sample_id 2005670100
eno 408092
sampling_feature_name 2005670100
sampling_feature_type field site
sample_type outcrop specimen
sampling_method outcrop sampling
material_class rock
stratigraphic_unit Talbot schist
geological_province Rudall Province
sample_remark Quartz-K-feldspar-muscovite schist was sampled from the northwestern part of the Talbot Zone (MGA 401083E 7507460N), where unassigned metasedimentary schist occurs adjacent to layered granite orthogneiss. Hickman and Bagas (1999) suggested that these metasedimentary rocks might pre-date layered orthogneiss and thus comprise some of the oldest rocks in the Talbot Zone. The sampled schist contains a high-grade layer-parallel foliation containing medium- to coarse-grained muscovite, which is folded about mesoscale tight, upright, northwesterly trending F4 folds. The schist forms part of a compositionally layered succession defined by differing abundances of quartz, muscovite and feldspar. In thin section, the schist consists of thin interlayered domains of granoblastic medium-grained quartz, microcline and lesser plagioclase, bound by laminae of layer-parallel muscovite, which comprises up to 15% of the rock.
earth_materials Y
structural_measurements None
inorganic_geochemistry Y
organic_geochemistry None
geochronology Y
isotope_groups Y
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 None
gda94_longitude 122.0380709
gda94_latitude -22.5365919
sample_originator Maidment, D.W.
date_acquired None
Links