Crustal history and metallogenic fertility: terrane-scale assessment with detrital zircons

W. L. Griffin; E. A. Belousova; Suzanne Y. O'Reilly

Crustal history and metallogenic fertility: terrane-scale assessment with detrital zircons

W. L. Griffin, E. A. Belousova, Suzanne Y. O'Reilly

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

Abstract

The integrated in situ analysis of zircons for U-Pb age, Hf-isotope composition and trace-element composition using LAM-ICPMS, LAM-Multi-Collector (MC) ICPMS and electron microprobe (EMP) provides a powerful methodology (TerraneChron®) for studying crustal evolution and evaluating the metallogenic potential of terranes. The method can be applied to zircons separated from single rocks or to zircons picked from drainage samples judiciously collected within a defined catchment (on scales of 10 - 1000 km depending on the objective). The use of drainage samples has many advantages: nature has separated and concentrated a statistically more meaningful sample than is achievable by conventional single rock sampling and methods, and this can provide a more comprehensive coverage of rock types from the drainage region. The variations of Hf-isotope composition vs time in zircon populations is presented as curves (Event Signatures) reflecting the relative contributions of juvenile vs reworked material to each magmatic episode through time. These curves can be used to recognise patterns of crustal evolution favourable to mineralisation, to compare the evolution of different terranes, and to evaluate major crust-forming processes. The methodology provides a rapid, cost-effective tool for characterising the crustal history of areas ranging from single drainage basins to large terranes.

Original language	English
Title of host publication	Exploration in the new millennium
Subtitle of host publication	proceedings of Exploration 07, fifth decennial international conference on mineral exploration
Editors	Bernd Milkereit
Place of Publication	Toronto, Canada
Publisher	Decennial Mineral Exploration Conferences
Pages	311-315
Number of pages	5
Publication status	Published - 2007
Event	Exploration 07 : Fifth Decennial International Conference on Mineral Exploration (5th : 2007) - Toronto, Canada Duration: 9 Sept 2007 → 12 Sept 2007

Conference

Conference	Exploration 07 : Fifth Decennial International Conference on Mineral Exploration (5th : 2007)
City	Toronto, Canada
Period	9/09/07 → 12/09/07

Access to Document

http://www.es.mq.edu.au/gemoc/TerraneChronpds/491%20Griffin.pdf

Cite this

Griffin, W. L., Belousova, E. A., & O'Reilly, S. Y. (2007). Crustal history and metallogenic fertility: terrane-scale assessment with detrital zircons. In B. Milkereit (Ed.), Exploration in the new millennium: proceedings of Exploration 07, fifth decennial international conference on mineral exploration (pp. 311-315). Decennial Mineral Exploration Conferences. http://www.es.mq.edu.au/gemoc/TerraneChronpds/491%20Griffin.pdf

Griffin, W. L. ; Belousova, E. A. ; O'Reilly, Suzanne Y. / Crustal history and metallogenic fertility : terrane-scale assessment with detrital zircons. Exploration in the new millennium: proceedings of Exploration 07, fifth decennial international conference on mineral exploration. editor / Bernd Milkereit. Toronto, Canada : Decennial Mineral Exploration Conferences, 2007. pp. 311-315

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title = "Crustal history and metallogenic fertility: terrane-scale assessment with detrital zircons",

abstract = "The integrated in situ analysis of zircons for U-Pb age, Hf-isotope composition and trace-element composition using LAM-ICPMS, LAM-Multi-Collector (MC) ICPMS and electron microprobe (EMP) provides a powerful methodology (TerraneChron{\textregistered}) for studying crustal evolution and evaluating the metallogenic potential of terranes. The method can be applied to zircons separated from single rocks or to zircons picked from drainage samples judiciously collected within a defined catchment (on scales of 10 - 1000 km depending on the objective). The use of drainage samples has many advantages: nature has separated and concentrated a statistically more meaningful sample than is achievable by conventional single rock sampling and methods, and this can provide a more comprehensive coverage of rock types from the drainage region. The variations of Hf-isotope composition vs time in zircon populations is presented as curves (Event Signatures) reflecting the relative contributions of juvenile vs reworked material to each magmatic episode through time. These curves can be used to recognise patterns of crustal evolution favourable to mineralisation, to compare the evolution of different terranes, and to evaluate major crust-forming processes. The methodology provides a rapid, cost-effective tool for characterising the crustal history of areas ranging from single drainage basins to large terranes.",

author = "Griffin, {W. L.} and Belousova, {E. A.} and O'Reilly, {Suzanne Y.}",

year = "2007",

language = "English",

pages = "311--315",

editor = "Bernd Milkereit",

booktitle = "Exploration in the new millennium",

publisher = "Decennial Mineral Exploration Conferences",

note = "Exploration 07 : Fifth Decennial International Conference on Mineral Exploration (5th : 2007) ; Conference date: 09-09-2007 Through 12-09-2007",

}

Griffin, WL , Belousova, EA & O'Reilly, SY 2007, Crustal history and metallogenic fertility: terrane-scale assessment with detrital zircons. in B Milkereit (ed.), Exploration in the new millennium: proceedings of Exploration 07, fifth decennial international conference on mineral exploration. Decennial Mineral Exploration Conferences, Toronto, Canada, pp. 311-315, Exploration 07 : Fifth Decennial International Conference on Mineral Exploration (5th : 2007), Toronto, Canada, 9/09/07. <http://www.es.mq.edu.au/gemoc/TerraneChronpds/491%20Griffin.pdf>

Crustal history and metallogenic fertility: terrane-scale assessment with detrital zircons. / Griffin, W. L.; Belousova, E. A.; O'Reilly, Suzanne Y.
Exploration in the new millennium: proceedings of Exploration 07, fifth decennial international conference on mineral exploration. ed. / Bernd Milkereit. Toronto, Canada: Decennial Mineral Exploration Conferences, 2007. p. 311-315.

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

TY - GEN

T1 - Crustal history and metallogenic fertility

T2 - Exploration 07 : Fifth Decennial International Conference on Mineral Exploration (5th : 2007)

AU - Griffin, W. L.

AU - Belousova, E. A.

AU - O'Reilly, Suzanne Y.

PY - 2007

Y1 - 2007

N2 - The integrated in situ analysis of zircons for U-Pb age, Hf-isotope composition and trace-element composition using LAM-ICPMS, LAM-Multi-Collector (MC) ICPMS and electron microprobe (EMP) provides a powerful methodology (TerraneChron®) for studying crustal evolution and evaluating the metallogenic potential of terranes. The method can be applied to zircons separated from single rocks or to zircons picked from drainage samples judiciously collected within a defined catchment (on scales of 10 - 1000 km depending on the objective). The use of drainage samples has many advantages: nature has separated and concentrated a statistically more meaningful sample than is achievable by conventional single rock sampling and methods, and this can provide a more comprehensive coverage of rock types from the drainage region. The variations of Hf-isotope composition vs time in zircon populations is presented as curves (Event Signatures) reflecting the relative contributions of juvenile vs reworked material to each magmatic episode through time. These curves can be used to recognise patterns of crustal evolution favourable to mineralisation, to compare the evolution of different terranes, and to evaluate major crust-forming processes. The methodology provides a rapid, cost-effective tool for characterising the crustal history of areas ranging from single drainage basins to large terranes.

AB - The integrated in situ analysis of zircons for U-Pb age, Hf-isotope composition and trace-element composition using LAM-ICPMS, LAM-Multi-Collector (MC) ICPMS and electron microprobe (EMP) provides a powerful methodology (TerraneChron®) for studying crustal evolution and evaluating the metallogenic potential of terranes. The method can be applied to zircons separated from single rocks or to zircons picked from drainage samples judiciously collected within a defined catchment (on scales of 10 - 1000 km depending on the objective). The use of drainage samples has many advantages: nature has separated and concentrated a statistically more meaningful sample than is achievable by conventional single rock sampling and methods, and this can provide a more comprehensive coverage of rock types from the drainage region. The variations of Hf-isotope composition vs time in zircon populations is presented as curves (Event Signatures) reflecting the relative contributions of juvenile vs reworked material to each magmatic episode through time. These curves can be used to recognise patterns of crustal evolution favourable to mineralisation, to compare the evolution of different terranes, and to evaluate major crust-forming processes. The methodology provides a rapid, cost-effective tool for characterising the crustal history of areas ranging from single drainage basins to large terranes.

M3 - Conference proceeding contribution

SP - 311

EP - 315

BT - Exploration in the new millennium

A2 - Milkereit, Bernd

PB - Decennial Mineral Exploration Conferences

CY - Toronto, Canada

Y2 - 9 September 2007 through 12 September 2007

ER -

Crustal history and metallogenic fertility: terrane-scale assessment with detrital zircons

Abstract

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