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Carl Spandler
James Cook University
94Publications
28H-index
3,432Citations
Publications 94
Newest
#1Christopher N. Todd (JCU: James Cook University)H-Index: 1
#2Eric M. Roberts (JCU: James Cook University)H-Index: 29
Last.Carl Spandler (JCU: James Cook University)H-Index: 28
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Abstract Australia's Jurassic vertebrate fossil record remains extremely sparse with only two dinosaur taxa and two temnospondyl amphibians identified to date. Of these, the spectacular and extremely well-preserved giant amphibian, Siderops kehli , and the only known pre-Cretaceous sauropod in Australia, Rhoetosaurus brownei , are perhaps the most important. The age of both specimens, and the stratigraphic context of Rhoetosaurus brownei , are weakly constrained and imprecisely defined, limiting...
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#1Gregory M. YaxleyH-Index: 32
#2Sujoy GhoshH-Index: 12
Last.Michael J. WalterH-Index: 37
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#1Teimoor Nazari-Dehkordi (JCU: James Cook University)H-Index: 2
#2Jan Marten Huizenga (UJ: University of Johannesburg)H-Index: 17
Last.Nicholas H.S. Oliver (JCU: James Cook University)H-Index: 27
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Abstract This study reports on fluid inclusion and oxygen isotope compositions of mineralised and barren hydrothermal quartz veins and hosting metasedimentary rocks associated with the heavy rare earth element (HREE) mineralisation in the Browns Range Dome of the Tanami Region, Western Australia. The HREE mineralisation consists of quartz and xenotime-bearing hydrothermal veins and breccias that occur along sub-vertical faults within Archean to Paleoproterozoic metasedimentary rocks. Based on an...
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#1Teimoor Nazari-Dehkordi (JCU: James Cook University)H-Index: 2
#2Carl Spandler (JCU: James Cook University)H-Index: 28
This study investigates the paragenesis and ore mineral composition of xenotime [(Y,HREE)PO4] and florencite [LREEAl3(PO4)2(OH)6] from heavy rare earth element (HREE) deposits/prospects of the Tanami and Hall Creek regions of Western Australia. Two stages of xenotime-(Y) formation are recognized: (1) early xenotime-(Y) in breccias (breccia-hosted) and in quartz-xenotime-(Y) veins (vein-type); and (2) late xenotime-(Y) that occurs largely as dipyramidal-shaped overgrowths on the pre-existing earl...
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#1Li-Ping Zeng (China University of Geosciences)
#2Xin-Fu Zhao (China University of Geosciences)H-Index: 21
Last.Carl Spandler (JCU: James Cook University)H-Index: 28
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Scapolite occurs as the major halogen-bearing phase at all paragenetic stages of skarn formation and mineralization in the Jinshandian iron skarn deposit, Eastern China. Here we integrate geochemical characteristics of scapolite with in situ B and Sr isotopes of associated tourmaline and fluorapatite, respectively, to trace the sources and evolution of the fluids responsible for mineralization in this deposit. Pre-ore stage I scapolite has molar Cl/Br ratios ranging from ~ 920 to 2200, which, to...
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#1Teimoor Nazari-Dehkordi (JCU: James Cook University)H-Index: 2
#2Carl Spandler (JCU: James Cook University)H-Index: 28
Last.Robin WilsonH-Index: 3
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Metasedimentary rock-hosted heavy rare earth element (HREE) mineralization occurs as numerous orebodies distributed across a large district of the Tanami region of central Australia, close to a regional unconformity between Archean metasedimentary rocks of the Browns Range Metamorphics (BRM) and overlying Proterozoic Birrindudu Group sandstones. The orebodies consist predominantly of quartz, xenotime, and minor florencite and occur along steeply dipping structures within a stockwork of hydrother...
2 CitationsSource
#1Paul Slezak (JCU: James Cook University)H-Index: 2
#2Carl Spandler (JCU: James Cook University)H-Index: 28
Abstract The Gifford Creek Carbonatite Complex (GCCC), Western Australia contains a diverse suite of alkaline igneous rocks, including magnesiocarbonatites, ferrocarbonatites, phoscorites, fenites, magmatic-hydrothermal peralkaline dykes, and ironstones. This study employs U-Pb, Sm-Nd, and Lu-Hf radiogenic isotope techniques on monazite – (Ce), fluorapatite, and zircon to determine the origin, age, and history of the GCCC. Zircon crystals found in glimmerite alteration selvages adjacent to ferro...
2 CitationsSource
#1Kaylene CamutiH-Index: 1
Last.Yanbo ChengH-Index: 14
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[From Introduction:] Our world will be a different place by 2040. Electric vehicles will dominate the roads, and clean renewable sources will provide most of our energy needs. The internal combustion engine will be headed for the history books to join the computer floppy disc and the Walkman. Enabling this technological revolution will require steady supplies of specialty metals including tin, tungsten, indium and the rare earth elements. The rare earth elements, indium and tungsten have respect...
#1Yanbo Cheng (JCU: James Cook University)H-Index: 14
#2Carl Spandler (JCU: James Cook University)H-Index: 28
Last.Kevin Blake (WWU: Western Washington University)H-Index: 1
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4 CitationsSource
#1Teimoor Nazari-Dehkordi (JCU: James Cook University)H-Index: 2
#2Carl Spandler (JCU: James Cook University)H-Index: 28
Last.Robin WilsonH-Index: 3
view all 4 authors...
Rare earth element (REE) orebodies are typically associated with alkaline igneous rocks or develop as placer or laterite deposits. Here, we describe an economically important heavy (H)REE mineralization type that is entirely hydrothermal in origin with no demonstrable links to magmatism. The mineralization occurs as numerous xenotime-rich vein and breccia orebodies across a large area of northern Australia but particularly close to a regional unconformity between Archean metasedimentary rocks of...
3 CitationsSource
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