Výsledky vyhledávání - "P. C. Piilonen"

The mineralogy and crystal chemistry of alkaline pegmatites in the Larvik Plutonic Complex, Oslo rift valley, Norway. Part 1. Magmatic and secondary zircon: implications for petrogenesis from trace-element geochemistry

Autor: Ralph Rowe, Glenn Poirier, Alf Olav Larsen, P. C. Piilonen, Andrew M. McDonald

Publikováno v: Mineralogical Magazine. 76:649-672

A detailed electron microprobe (EMP) and laser-ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) study of zircon from six types of miaskitic and agpaitic alkaline pegmatite from the Larvik Plutonic Complex, Oslo rift valley, Norway, w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7a7b7c610d77d1e3a185e7616faa20ec
https://doi.org/10.1180/minmag.2012.076.3.15

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Arisite-(La), a new REE-fluorcarbonate mineral from the Aris phonolite (Namibia), with descriptions of the crystal structures of arisite-(La) and arisite-(Ce)

Autor: Uwe Kolitsch, Joel D. Grice, Mark A. Cooper, Andrew M. McDonald, Ralph Rowe, P. C. Piilonen, Glenn Poirier, Robert A. Gault

Publikováno v: Mineralogical Magazine. 74:257-268

Arisite-(La), ideally NaLa2(CO3)2[F2x(CO3)1–x]F, is a new layered REE-fluorcarbonate mineral from miarolitic cavities within the Aris phonolite, Namibia (IMA no. 2009-019). It occurs as distinct chemical zones mixed with its Ce-analogue, arisite-(C

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f6d3e2edad6041bb422fe59209754569
https://doi.org/10.1180/minmag.2010.074.2.257

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Crystal-structure refinement of a Zn-rich kupletskite from Mont Saint-Hilaire, Quebec, with contributions to the geochemistry of zinc in peralkaline environments

Autor: Igor V. Pekov, P. C. Piilonen, Robert A. Gault, Malcolm E. Back, T. Steede

Publikováno v: Mineralogical Magazine. 70:565-578

The chemistry and crystal structure of a unique Zn-rich kupletskite: (K1.55Na0 .21Rb0.09Sr0.01)Σ1.86(Na0.82Ca0.18)Σ1.00(Mn4.72Zn1.66Na0.41Mg0.12)Σ7.00(Ti1.85Nb0.11Hf0.03)Σ1.99(Si7.99Al0.12)Σ8.11O26(OH)4(F0.77OH0.23)Σ1.00, from analkalin e pegma

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::375256d755cd83b9d985a892894113b1
https://doi.org/10.1180/0026461067050350

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