U th pb dating of phosphate minerals classification
Uthpb dating of phosphate minerals 525 figure 1 concordia diagram illustrating misbehavior in the uthpb system that is relevant to upb dating arrows show how concordant data can be affected by inheritance pb loss disequilibrium and common pb pb176 corrections concordia curve.
The dominant occurrence of phosphate minerals in crystalline rocks is as accessory phases most notably apatite monazite and xenotime because these minerals tend to varying degrees to partition u and th into their structures they can often contain the majority of those elements in a rock.
Minerals 2018 8 394 ama style ntiharirizwa s boulvais p poujol m branquet y morelli c ntungwanayo j midende g geology and uthpb dating of the gakara ree deposit burundi.
Upb and thpb dating of apatite by laicpms chemical geology 280 200 16.
Phosphate is also used in animal feed supplements food preservatives anticorrosion agents cosmetics fungicides ceramics water treatment and metallurgy the largest use of minerals mined for their phosphate content is the production of fertilizer.
Structure and chemistry of phosphate minerals frank c hawthorne department of geological sciences university of manitoba winnipeg manitoba canada r3t 2n2 generating a series of phosphate minerals of increasing structural and chemical complexity after dj fisher amp pb.
Probe uthpb dating of shergotty phosphates was pbu isochron ages of phosphate data by ims1280 10 and shrimp 7 where the former age becomes those of minerals more resistant to chemical alteration references 1 borg and draper 2003 maps.
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