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Title: Summary of results. NTGS LA-ICP-MS geochronology project: Nimbuwah Domain, Pine Creek Orogen, December 2015
Report ID: NTGS Record 2018-004
Year: 2018
Author: Whelan, JA
Thompson, JM
Meffre, S
Drillhole/Well Name: KRDD1281
Geological Province: Pine Creek Orogen
Map250: Alligator River SD5301
Map100: Oenpelli 5573
Subject: Geochronology
Stratigraphy: Nimbuwah Domain
Abstract: A sample of unnamed biotite gneiss was collected from drill core KRDD1281 (provided by Cameco Australia Ltd) for the purposes of LA–ICP–MS U–Pb zircon dating. Zircon from this sample yields a magmatic crystallisation age of 2495 ± 4 Ma; this age is interpreted as the timing of emplaced of the igneous protolith of the biotite gneiss. It is markedly younger than that of the proximal ca 2640 Ma Arrarra Gneiss or the ca 2524–2510 Ma Kukalak Gneiss.
Publisher: Northern Territory Geological Survey
ISSN: 1443-1149
ISBN: 9780724573271 (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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