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Franco Pirajno
University of Western Australia
234Publications
48H-index
7,901Citations
Publications 234
Newest
Published on Jun 1, 2019in Ore Geology Reviews 3.39
Yuri A. Kalinin (NSU: Novosibirsk State University), Galina A. Palyanova5
Estimated H-index: 5
(NSU: Novosibirsk State University)
+ 2 AuthorsFranco Pirajno48
Estimated H-index: 48
(UWA: University of Western Australia)
Abstract Our study of the primary and supergene gold from the Suzdal and Raigorodok deposits in Kazakhstan confirms that during the formation of the regolith in both deposits, invisible and fine gold is released from the host sulfide minerals during their oxidation and destruction; and transported in the form of soluble thiosulfate complexes by near-surface solutions. Upon contact with a geochemical barrier, gold can be deposited as crystalline aggregates. In the deposition of this gold the role...
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Published on Apr 1, 2019in Earth and Planetary Science Letters 4.64
Matthew S. Dodd2
Estimated H-index: 2
(UCL: University College London),
Dominic Papineau20
Estimated H-index: 20
+ 6 AuthorsHanika Rizo6
Estimated H-index: 6
(Carleton University)
Abstract Almost all evidence for the oldest traces of life on Earth rely on particles of graphitic carbon preserved in rocks of sedimentary protolith. Yet, the source of carbon in such ancient graphite is debated, as it could possibly be non-biological and/or non-indigenous in origin. Here we describe the co-occurrence of poorly crystalline and crystalline varieties of graphitic carbon with apatite in ten different and variably metamorphosed banded iron formations (BIF) ranging in age from 1,800...
1 Citations Source Cite
Published on Jan 1, 2019
David L. Huston26
Estimated H-index: 26
,
Franco Pirajno48
Estimated H-index: 48
+ 3 AuthorsTerrence P. Mernagh23
Estimated H-index: 23
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Published on Jan 1, 2019in Journal of Geochemical Exploration 3.47
F. Putzolu1
Estimated H-index: 1
,
Maria Boni24
Estimated H-index: 24
+ 2 AuthorsFranco Pirajno48
Estimated H-index: 48
(UWA: University of Western Australia)
Abstract The aim of this study is to evaluate the Ni-Co enrichment and the high-tech metals (REE and Sc) geochemistry in the Wingellina Ni-Co oxide-type laterite deposit (Western Australia). The study has been carried out on two mineralized cores (WPDD0012 and WPDD0019 drillcores) originating from two areas of the deposit. The geochemical assessments have been integrated with the analysis of laterite facies and sample mineralogy. In both the studied laterite profiles Ni enrichment was mostly con...
1 Citations Source Cite
Published on Dec 1, 2018in Ore Geology Reviews 3.39
N. A. Goryachev4
Estimated H-index: 4
,
Franco Pirajno48
Estimated H-index: 48
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Published on Oct 26, 2018in International Geology Review 3.00
Xi Zhang1
Estimated H-index: 1
(USTC: University of Science and Technology of China),
Xiaoyong Yang19
Estimated H-index: 19
(USTC: University of Science and Technology of China),
Franco Pirajno48
Estimated H-index: 48
(UWA: University of Western Australia)
ABSTRACTIn this study, Early Cretaceous skarn deposits and genesis of their host diorite/monzodiorite porphyry in the Xuzhou-Huaibei (Xu-Huai) region, northern Anhui-Jiangsu have been discussed by detailed geochemical work. In-situ zircon U–Pb dating of the diorites related to Fe–Cu–Au deposits shows that they were formed between 131.4 ± 1.5 Ma and 130.8 ± 1.8 Ma. Geochemical data indicate a depletion of high field strength elements (HFSE) in the diorite porphyry with similarity to that of arc-r...
6 Citations Source Cite
Published on Sep 1, 2018in Ore Geology Reviews 3.39
Huayong Chen21
Estimated H-index: 21
(CAS: Chinese Academy of Sciences),
Wan Bo21
Estimated H-index: 21
(CAS: Chinese Academy of Sciences)
+ 2 AuthorsBing Xiao6
Estimated H-index: 6
(CAS: Chinese Academy of Sciences)
Abstract The Xinjiang Uygur Autonomous Region in NW China occupies around 1/6 of the total China land size, and contains components of both the Central Asian Orogenic Belt (CAOB) and Paleo-Tethyan Orogenic Belt (PTOB). The Paleozoic CAOB is situated in the northern and central parts of Xinjiang, whilst the Paleozoic-Mesozoic PTOB is mainly located in the southern part of Xinjiang. These orogenic belts were formed by the multiphase Paleozoic-Mesozoic terrane accretions and collisions enacted by t...
1 Citations Source Cite
Published on Aug 1, 2018in Mineralium Deposita 3.40
Peng Liu3
Estimated H-index: 3
(China University of Geosciences),
Jingwen Mao33
Estimated H-index: 33
+ 3 AuthorsYang Li1
Estimated H-index: 1
The Lianhuashan deposit has long been regarded as a typical tungsten porphyry deposit, located in the eastern Guangdong Province, in the Southeastern Coastal Metallogenic Belt (SCMB). LA–MC–ICP–MS zircon U–Pb dating of the quartz porphyry yielded a weighted mean 206Pb/238U age of 137.3 ± 2.0 Ma, which is interpreted as the emplacement age of the quartz porphyry. Hydrothermal muscovite yielded a plateau 40Ar/39Ar age of 133.2 ± 0.9 Ma, which is consistent with the zircon U–Pb age, suggesting that...
4 Citations Source Cite
Published on Jul 1, 2018in Earth-Science Reviews 9.53
Nuo Li21
Estimated H-index: 21
(CAS: Chinese Academy of Sciences),
Yan Jing Chen6
Estimated H-index: 6
(PKU: Peking University)
+ 1 AuthorsFranco Pirajno48
Estimated H-index: 48
(UWA: University of Western Australia)
Abstract The Qinling Orogen in central China is a complex collage built through the closure of the northernmost Paleo-Tethys and the suturing of the Yangtze and the North China cratons. In this contribution, geochronological, geochemical and isotopic data of Late Mesozoic granitoids are compiled, which in turn allow for a broad overview on their petrogenesis with respect to tectonic regime of the Qinling Orogen. After a magmatic hiatus during 160–195 Ma, extensive Late Mesozoic granitoids were e...
7 Citations Source Cite
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