LA-ICP-MS U-Pb Dating
LA ICP MS U Pb dating and REE patterns of apatite from the Tatra Mountains, Poland as a monitor of the regional tectonomagmatic activity
... apatite LA-ICP- MS U-Pb dating to constrain the timing of magmatic and tectonothermal activity in the polygenetic Tatra Moun- tains granite ...by ...
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Dating of Precambrian Metasedimentary Rocks and Timing of their Metamorphism in the Soursat Metamorphic Complex (NW IRAN): Using LA–ICP-MS, U–Pb Dating of Zircon and Monazite
... by LA-ICPMS at the University of ...40]. U– Pb acquisition utilized 10 μm beam diameter for monazite run at a repetition rate of 5 ...for U– Pb fractionation (TIMS normalisation data: ...
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LA ICP MS U Th Pb dating and trace element geochemistry of allanite: implications on the different skarn metallogenesis between the giant Beiya au and Machangqing Cu Mo (Au) deposits in Yunnan, SW China
... in-situ LA-ICP-MS U-Pb dating and trace element analysis were collected from the mineralized skarn (exoskarn) in the Beiya deposit (Wandongshan ore segment) and Machangqing ...
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Geochemistry and Geochronology of Peraluminous High K Granitic Leucosomes of Yaoundé Series (Cameroon): Evidence for a Unique Pan African Magmatism and Melting Event in North Equatorial Fold Belt
... Th-U-Pb dating by electron microprobe (EMP) and LA-ICP-MS U-Pb dating on zircon have been used to constraints the melting event and emplacement of leucosomes ...
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Age assignment of the upper Carboniferous Arbasay Formation in Shichang Region, North Tianshan (NW China)
... volcanic rocks and tuffs (Table 1). The different types of volcanic rocks (andesite, dacite and rhyolite) of the Arba- say Formation reflected the volcanism of the Late Carbon- iferous (308–305 Ma; Fig. 8a). However, the ...
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Combined apatite fission track and U Pb dating by LA ICPMS and its application in apatite provenance analysis
... and U–Pb dating case study at the end of this chapter were acquired using a Resonetics M-50 193 nm ArF Eximer laser-ablation system coupled to an Agilent 7700x quadrupole ICP–MS at the ...
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Linking gold mineralization to regional scale drivers of mineral systems using in situ U Pb geochronology and pyrite LA ICP MS element mapping
... elevated U, V, Mo and Al content ...Fault. LA-ICP-MS images of pyrite with diffusive AueAs rims (MOD13) have comparable AueAs, AueNi and AueV relationships to those of the Carlin-type ores, ...
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Evidence for ca. 2046 Ma high-grade metamorphism in Paleoproterozoic metasedimentary rocks of the northern Borborema Province, NE Brazil: constraints from U-Pb (LA-ICP-MS) zircon ages
... by U-Pb SHRIMP dating of zircon at 2093±45 Ma and is interpreted as the product of a collisional event between the Congo and São Francisco Cratons (Loose and Schenk ...monazite U-Pb ...
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LA ICP MS U Pb apatite dating of Lower Cretaceous rocks from teschenite picrite association in the Silesian unit (southern Poland)
... new U-Pb ap- atite data from this study, suggest that volcanic activity in the Proto-Silesian Basin took place from 128 to 103 Ma and most likely peaked between 128 and 120 ...The U-Pb apatite ...
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Do U/Pb SHRIMP Dating and Pb Stepwise Leaching (PbSL) Analyses Confirm the Lack of Precambrian Basement Outcrops in Thailand?
... isotopic dating of gneisses belonging to the so called “Precambrian basement” showed that these gneisses were formed during a high-grade metamorphic event in Upper Triassic time (for a comprehensive discussion see ...
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U Pb and Th Pb dating of apatite by LA ICPMS
... field ICP-MS in combination with a Geolas 193 nm ArF Excimer laser located in the Inco Innovation Centre, Memorial University of Newfoundland, ...laser-induced Pb/U ...233 U, 209 Bi and ...
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Baddeleyite from Large Complex Deposits: Significance for Archean Paleozoic Plume Processes in the Arctic Region (NE Fennoscandian Shield) Based on U Pb (ID TIMS) and LA ICP MS Data
... using U-Pb isotope analysis only in the 1990s by ...In U-Pb studies with the isotope dilution-thermal ionization mass spectrometry (ID-TIMS) and precise dating of reference complexes, ...
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Apatite Chlorine Concentration Measurements by LA ICP MS
... fission-track dating to deter- mine U concentrations and also in simultaneous U-Pb dating and trace element measurements of ...by ICP-MS would remove the need for EPMA but ...
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Microstructural Geochronology of Zircon Across the Central Uplift of the Vredefort Impact Structure, South Africa
... due to its robustness and resilience against the adverse effects of erosion, tectonism, and metamorphism, as well as its capacity as a powerful U-Pb and Lu-Hf geochronometer. Shock microstructures that have ...
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Preprints (www.preprints.org) | NOT PEER-REVIEWED | Posted: 13 October 2016 doi:10.20944/preprints201610.0048.v1
... by ICP-MS; K: total potassium measured by ICP-MS; Na: total sodium measured by ICP-MS; Na AAS: acid recoverable sodium measured by Atomic Absorption Spectroscopy; Zn: total zinc ...
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Quantifying exhumation at the giant Pulang porphyry Cu Au deposit ssing U Pb He dating
... In general, three to five single zircon and apatite grains were analyzed for each sample. The detailed results are given in Electronic Appendix Tables A3 and A4, and a summary with the weighted mean age for each sample ...
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SHRIMP U-Pb xenotime geochronology and its application to dating mineralisation, sediment deposition and metamorphism
... Three application studies of SHRIMP U-Pb xenotime geochronology using the matrix correction procedures developed were undertaken as a part of this study as well as a SHRIMP U-Pb detrital[r] ...
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Chemical U Th Pb monazite dating and the Proterozoic history of King Island, southeast Australia
... The results reported here focus on the schists and granites of western King Island including rocks exposed in the far south Stokes Point, southwest Surprise and Fitzmaurice Bays, Cataraq[r] ...
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Thermochronology of mineral grains in the Red and Mekong Rivers, Vietnam: provenance and exhumation implications for Southeast Asia
... ces from which to draw sediment than the Red River because of its much greater length. The bedrock geology of the region is divided into a number of terranes shown in Figure 2, with a simplified geological map (Figure 3) ...
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High spatial resolution analysis of ferromanganese concretions by LA-ICP-MS†
... It was found (Fig. 2a) that analyte intensities increase with pulse frequency from 1 to 12 Hz. For this experiment, the laser was programmed to perform only one shot per ablation point. Further increases in repetition ...
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