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Title: Summary of results. Joint NTGS-GA geochronology project: constraining cooling and deformation in the eastern Aileron Province through 40Ar/39Ar step-heating of hornblende, muscovite, and biotite
Report ID: NTGS Record 2021-001
Year: 2021
Author: Reno, BL
Fraser, GL
Geological Province: Arunta Region
Aileron Province
Map250: Huckitta SF5311
Alcoota SF5310
Illogwa Creek SF5315
Hale River SG5303
Map100: Woodgreen 5753
Delny 5852
Jinka 6052
Quartz 5951
Todd 5949
Subject: Geochronology
Stratigraphy: Crooked Hole Granite
Jamaica Granite
Delny Metamorphics
Salthole Gneiss
Abstract: This Record presents 40Ar/39Ar chronologic results acquired in support of collaborative regional geoscientific investigations and mapping programs conducted by Geoscience Australia (GA) and the Northern Territory Geological Survey (NTGS). Argon isotopic data and interpretations from hornblende, muscovite, and biotite from seven samples collected from the Aileron Province within the ALCOOTA, HUCKITTA, HALE RIVER, and ILLOGWA CREEK map areas of the Northern Territory are presented herein. The results complement pre-existing geochronological constraints from U-Pb zircon and monazite analyses of the same or related samples, and provide new constraints on the thermal and deformation history of the Aileron Province.
Publisher: Northern Territory Geological Survey
ISSN: 1443-1149
ISBN: 9780724573769 (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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