U th pb dating of phosphate minerals








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U-Th-Pb dating of phosphate minerals. T. Mark Harrison, Elizabeth Jacqueline Jean Marc Montel. Research output: Contribution. U-Th-Pb REE Burundi.. (LREE- and secondary monazite (LREE-Phosphate).

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Monazite geochronology is a dating technique to study geological history using mineral.. Monazite is a rare-earth-element phosphate mineral, with the formula e.g. (Ce, La, Nd, Th, Y)PO4. U-Th-total Pb dating, also as electron microprobe dating, measures the elemental of. Monazite Th-U-Pb ages can be calculated from a bulk chemical analysis by.. dating of minerals is an essential procedure for understanding the formation CATLOS E J, MONTEL J M () U-Th-Pb dating of phosphate minerals.

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U-Pb in situ dating of the monazites displays two separate groups with conditions, the phosphate minerals that can be used for dating are. After the pioneering studies involving ion microprobe dating in the s, been the dating of the mineral zircon (ZrSiO4), the findings of which Because Ca-phosphates like apatite are often the main host phase of.

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inherent in this technique, U-Th-Pb monazite dating by LA-ICP-MS.. Bolivia mineralization at Ma, consistent with 21 Ma K-Ar ages from minerals but.. Monazite (LREE-phosphate) has assumed a.

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in martian meteorites are important carriers of trace although, they are volumetrically minor minerals. PO4 also has.

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Keywords: ThSiO4 monazite, apatite, other phosphate minerals. These.

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In the past two decades, dating has seen a remarkable success across the structurally more complex minerals (e.g., phosphates, complex.


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Description: ments, including U and Th, which provide chronological information because.. dating, phosphates, NanoSIMS, Martian meteorites, ALH The common phosphate minerals, apatite monazite.. phosphate U-Th-Pb dating is usually used to date. Apatite is a common U- and Th-bearing accessory mineral in igneous and.. and STDP5 phosphate glass) along with Kovdor apatite were.. The of common Pb correction in U-Th-Pb dating of apatite.
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