ORCID Profile
0000-0001-7682-9868
Current Organisation
Queensland University of Technology
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Inorganic Geochemistry | Geology | Igneous and Metamorphic Petrology | Geodynamics
Expanding Knowledge in the Earth Sciences | Precious (Noble) Metal Ore Exploration |
Publisher: Elsevier BV
Date: 06-2008
Publisher: Wiley
Date: 05-2014
DOI: 10.1111/GTO.12054
Publisher: Elsevier BV
Date: 03-2011
Publisher: Elsevier BV
Date: 04-2022
Publisher: Elsevier BV
Date: 06-2008
Publisher: Informa UK Limited
Date: 16-06-2014
Publisher: Canadian Science Publishing
Date: 06-2008
DOI: 10.1139/E08-011
Abstract: The paper presents data on petrology, bulk rock and mineral compositions, and textural classification of the Middle Jurassic Jericho kimberlite (Slave craton, Canada). The kimberlite was emplaced as three steep-sided pipes in granite that was overlain by limestones and minor soft sediments. The pipes are infilled with hypabyssal and pyroclastic kimberlites and connected to a satellite pipe by a dyke. The Jericho kimberlite is classified as a Group Ia, lacking groundmass tetraferriphlogopite and containing monticellite pseudomorphs. The kimberlite formed during several consecutive emplacement events of compositionally different batches of kimberlite magma. Core-logging and thin-section observations identified at least two phases of hypabyssal kimberlites and three phases of pyroclastic kimberlites. Hypabyssal kimberlites intruded as a main dyke (HK1) and as late small-volume aphanitic and vesicular dykes. Massive pyroclastic kimberlite (MPK1) predominantly filled the northern and southern lobes of the pipe and formed from magma different from the HK1 magma. The MPK1 magma crystallized Ti-, Fe-, and Cr-rich phlogopite without rims of barian phlogopite, and clinopyroxene and spinel without atoll structures. MPK1 textures, superficially reminiscent of tuffisitic kimberlite, are caused by pervasive contamination by granite xenoliths. The next explosive events filled the central lobe with two varieties of pyroclastic kimberlite: (1) massive and (2) weakly bedded, normally graded pyroclastic kimberlite. The geology of the Jericho pipe differs from the geology of South African or the Prairie kimberlites, but may resemble Lac de Gras pipes, in which deeper erosion removed upper facies of resedimented kimberlites.
Publisher: Elsevier BV
Date: 11-2015
Publisher: Informa UK Limited
Date: 12-2015
Publisher: Springer Science and Business Media LLC
Date: 02-2017
Publisher: Elsevier BV
Date: 09-2020
Publisher: Elsevier BV
Date: 11-2009
Publisher: Springer Science and Business Media LLC
Date: 30-01-2015
Publisher: Elsevier BV
Date: 06-2023
Publisher: Elsevier BV
Date: 06-2008
Publisher: Informa UK Limited
Date: 12-2013
Publisher: Springer Science and Business Media LLC
Date: 04-05-2005
Publisher: Elsevier BV
Date: 05-2019
Publisher: Informa UK Limited
Date: 17-02-2015
Publisher: Springer Science and Business Media LLC
Date: 04-05-2022
Publisher: Elsevier BV
Date: 11-2009
Publisher: Society of Economic Geologists
Date: 13-07-2015
Publisher: Springer Science and Business Media LLC
Date: 21-03-2013
Publisher: Elsevier BV
Date: 07-2020
Publisher: Springer Science and Business Media LLC
Date: 06-09-2011
Publisher: American Geophysical Union (AGU)
Date: 28-01-2015
DOI: 10.1002/2014GL060088
Publisher: Elsevier BV
Date: 03-2013
Publisher: Elsevier BV
Date: 02-2022
Start Date: 07-2022
End Date: 07-2025
Amount: $413,000.00
Funder: Australian Research Council
View Funded Activity