Borengite
A rock subtype
This page is currently not sponsored. Click here to sponsor this page.
An aphanitic ultrapotassic dyke-rock with the highest recorded K2O concentrations (more than 14 wt.%) among alkalic rocks.
Unique Identifiers
Mindat ID:
50987
Long-form identifier:
mindat:1:1:50987:1
GUID
(UUID V4):
(UUID V4):
8079a6ba-951c-4943-8c1d-488c73b8db92
Classification of Borengite
Mineralogy of Borengite
Essential minerals - these are minerals that are required within the classification of this rock:
| Feldspar > Alkali Feldspar > Orthoclase | K(AlSi3O8) |
| Fluorite | CaF2 |
| Sericite | KAl2(AlSi3O10)(OH)2 |
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
References for Borengite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Eckermann, H. von (1960): Borengite; a new ultra-potassic rock from Alnoe island. Arkiv foer Mineralogi och Geologi, 36, 519-528.
Le Bas, M.J. (1981): Carbonatite magmas. Mineralogical Magazine, 44, 133-140.
Mitchell, R. H. & Bergman, S.C. (1991): Petrology of lamproites. Plenum Press, New York, 447 pp.
Foley, S.F., Venturelli, G., Green, D.H. & Toscani, L. (1987): The ultrapotassic rocks: Characteristics, classification, and constraints for petrogenetic models. Earth Sci. Rev., 24, 81-134.
Le Maitre (ed.) (2002) Igneous Rocks - A Classification and Glossary of Terms. Cambridge Press.
Internet Links for Borengite
mindat.org URL:
https://www.mindat.org/min-50987.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
