An unusual nodular form of monazite has been found to account for abnormally high levels of cerium in panned heavy mineral concentrates from stream sediments in several areas in Wales and pan of Exmoor. Tektural features indicate a pre-metamorphic, diagenetic origin within Lower Palaeozoic shale or
โฆ LIBER โฆ
An occurrence of the Barium-felspar Celsian in North Wales
โ Scribed by RUSSELL, ARTHUR
- Book ID
- 109452165
- Publisher
- Nature Publishing Group
- Year
- 1911
- Tongue
- English
- Weight
- 128 KB
- Volume
- 86
- Category
- Article
- ISSN
- 0028-0836
- DOI
- 10.1038/086180c0
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