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Title: Summary of results. NTGS laser ablation ICP-MS in situ monazite petrochronology project: Constraining the chronologic history of the Delny and Entire Point shear zones, and the timing of metamorphism in the Aileron and Irindina provinces
Report ID: NTGS Record 2020-008
Year: 2020
Author: Reno, BL
Weisheit, A
Beyer, EE
Thompson, JM
Meffre, S
Geological Province: Arunta Region
Aileron Province
Irindina Province
Map250: Huckitta SF5311
Map100: Jervois Range 6152
Dneiper 5952
Jinka 6052
Subject: Geochronology
Stratigraphy: Kanandra Metamorphics
Bonya Metamorphics
Deep Bore Metamorphics
Jamaica Granite
Harts Range Metamorphic Complex
Yambla Gneiss
Abstract: This record presents trace-element and chronologic data collected on monazite at the Australian Research Council Centre of Excellence in Ore Deposits (CODES) at the University of Tasmania. Analyses were carried out in March and April of 2016 and May of 2017 in support of Northern Territory Geological Survey (NTGS) regional geoscientific investigations and mapping programs. Isotope data and interpretations for monazite from 18 samples taken from the Aileron and Irindina provinces in HUCKITTA in the Northern Territory are presented herein. Monazite was analysed in order to constrain the timing, duration, and rate of metamorphism in this region, and to constrain the timing of movement and deformation on the Delny and Entire Point shear zones and Jervois Fault Zone.
A total of 18 samples were analysed from two collections: one set of monazite chronologic data was obtained from a total of 14 samples from the Palaeoproterozoic Aileron Province, and another set was obtained from 4 samples of the Yambla Gneiss in the Neoproterozoic-Palaeozoic Irindina Province.
Publisher: Northern Territory Geological Survey
ISSN: 1443-1149
ISBN: 9780724573691 (PDF)
Document Type: NTGS Record
Access Constraint: Creative Commons Attribution 4.0 International (CC BY 4.0). Please observe and retain any copyright or related notices that accompany this material and give attribution to: Northern Territory of Australia (Northern Territory Geological Survey).
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