Territory Stories

Summary of results. Joint NTGS-GA geochronology project : Tanami Region, Arunta Region, Pine Creek Orogen and Halls Creek Orogen correlatives, January 2005- March 2007

Details:

Title

Summary of results. Joint NTGS-GA geochronology project : Tanami Region, Arunta Region, Pine Creek Orogen and Halls Creek Orogen correlatives, January 2005- March 2007

Creator

Worden, KE; Carson, CJ; Close, DF; Donnellan, NC; Scrimgeour, IR; Worden, KE; Carson, CJ; Close, DF; Donnellan, NC; Scrimgeour, IR

Issued by

Northern Territory Geological Survey; Northern Territory Geological Survey

Collection

E-Publications; E-Books; PublicationNT; NTGS Record

Date

2008; 2008

Location

Arunta Region; Pine Creek Orogen; Tanami Region

Notes

Made available via the Publications (Legal Deposit) Act 2004 (NT); Available from GEMIS - Geoscience Exploration and Mining Information System; Made available via the Publications (Legal Deposit) Act 2004 (NT)

Language

English

Subject

Geochronology; Arunta Region; Pine Creek Orogen; Tanami Region

Publisher name

Northern Territory GovernmentNorthern Territory Government; Commonwealth of Australia; Northern Territory Government

Place of publication

Darwin

Series

NTGS Record

Volume

2008-003

File type

application/pdf

ISBN

9780724571697; 9780724571697

ISSN

1443-1149; 1443-1149

Use

Attribution International 4.0 (CC BY 4.0)

Copyright owner

Northern Territory Government; Commonwealth of Australia; Northern Territory Government

License

https://creativecommons.org/licenses/by/4.0/; https://creativecommons.org/licenses/by/4.0/

Related links

https://geoscience.nt.gov.au/gemis/ntgsjspui/handle/1/82446 [GEMIS]; https://geoscience.nt.gov.au/gemis/ntgsjspui/handle/1/82446

Parent handle

https://hdl.handle.net/10070/794392; https://geoscience.nt.gov.au/gemis/ntgsjspui/handle/1/82446

Citation address

https://hdl.handle.net/10070/794416

Page content

6 Grain area 206Pbc (%) u (ppm) th (ppm) 232th/ 238u 238u/ 206Pb* (%) 207Pb*/ 206Pb* (%) 207Pb/206Pb Age (Ma) discordance (%) Igneous crystallisation A2.2 0.02 809 04 0.3 3.307 2.4 0.09 0.28 784 5 5 A36.2 0.06 48 63 0.6 3.20 2.4 0.092 0.75 786 4 0 A0.2 0.0 976 77 0.9 3.99 2.4 0.092 0.6 786 2 A26.2 0.03 00 60 0.06 3.066 2.4 0.094 0.73 789 3 2 A50.2 0.07 509 96 0.9 3.298 2.4 0.095 0.37 79 7 5 A27.2 0.06 754 75 0.0 3.053 2.4 0.096 0.58 792 2 A20.2 0.0 948 6 0.02 2.938 2.4 0.096 0.39 793 7 5 A42.2 0.03 539 73 0.4 3.063 2.4 0.097 0.3 794 6 A0.3 0.0 862 56 0.9 2.988 2.4 0.097 0.4 795 7 4 A24.2 0.09 457 96 0.22 3.033 2.4 0.098 0.48 797 9 2 A6.2 0.05 338 76 0.54 3.34 2.4 0.098 0.4 797 7 A4.2 0.02 765 86 0.2 3.099 2.4 0.099 0.34 798 6 0 A56.2 0.03 489 02 0.22 3.50 2.4 0.00 0.35 800 6 A2.2 0.03 782 07 0.4 3.225 2.4 0.0 0.29 80 5 3 A25.2 0.00 658 77 0.2 3.003 2.4 0.04 0.40 807 7 3 A5.2 0.02 397 46 0.2 3.3 2.4 0.05 0.37 808 7 A70. 0.2 540 595 .4 3.52 2.4 0.06 0.50 80 9 2 A68. 0.02 482 32 0.28 2.933 2.9 0.07 0.67 8 2 4 A4.2 0.04 60 28 0.05 3.54 2.4 0. 0.53 88 0 2 A8.2 0.02 44 47 0. 3.26 2.6 0. 0.74 88 3 2 Precursor zircon component A29.2 0.06 495 55 0. 3.06 2.4 0.25 0.38 840 7 0 A8.2 0.00 549 44 0.27 2.97 2.4 0.33 0.3 853 6 A7.2 0.24 484 425 0.9 2.944 2.4 0.39 0.5 863 9 A69. 0.02 67 63 0.0 2.732 2.4 0.60 0.56 895 0 6 A72. 0.07 52 45 0.09 2.87 2.4 0.97 0.36 952 7 0 Isotopically-disturbed zircon A.2 0.00 560 03 0.9 3.557 2.4 0.09 0.34 658 6 4 A23.2 0.06 493 6 0.24 3.086 2.4 0.079 0.50 765 9 2 A73. 0.20 644 9 0.9 3.53 2.4 0.08 0.44 768 8 0 High common Pb analyses (0.50%) A42.2 0.28 338 82 0.06 3.322 2.4 0.06 0.43 654 8 2 A40.2 0.35 876 294 0.35 3.04 2.5 0.05 .05 76 9 6 A28.2 0.65 347 5 0.45 3.24 2.4 0.05 .03 808 9 4 Discordant analysis (10%) with high common Pb (0.50%) A52. 0.66 90 83 0.45 3.622 2.5 0.093 .09 788 20 4 Imprecise analyses A6.2 0.00 250 26 0.52 2.90 2.5 0.66 .35 905 24 0 A7. 0.2 27 50 .22 2.088 2.7 0.596 2.85 245 48 3 Analysis affected by unstable analytical conditions A6.2 6.67 2035 36 0.8 4.30 2.4 0.048 7.98 7 47 22 . %206Pbc indicates the proportion of common 206Pb in the total measured 206Pb. 2. Pb isotopic ratios corrected for common Pb by reference to the measured 204Pb. 3. All errors quoted as 1. table 13. SHRIMP analytical results for zircons from Yaningidjara Orthogneiss, sample 2004089527.


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