-
Fenite is a
metasomatic alteration ****ociated
particularly with
carbonatite intrusions and created, very rarely, by
advanced carbon dioxide alteration...
- host. The
fenites consist mainly of
perthitic microcline,
richterite amphibole, and pyroxene, but
there also are a wide
variety of
fenite types that...
-
earlier formed fenites.[citation needed] The
bottom periphery of caldera, 0.5 km wide, is
mostly built of
feldspathic rocks (
fenites), and
little or...
- ****ociated pegmatites. It also
occurs in
carbonatites and in ****ociated
fenites and
other metasomatites. Bastnäsite has cerium,
lanthanum and
yttrium in...
- alkaline-ultramafic
igneous complex near Libby, Montana. I:
Ultramafic rocks and
fenite".
Journal of Geology. 75 (5): 536–553. Bibcode:1967JG.....75..526B. doi:10...
- 116, 189-196. Cooper, A.F. (1996) Nb-rich
baotite in
carbonatites and
fenites at
Haast River, New Zealand.
Mineralogical Magazine, 60, 473-482. Peng...
- Lev
Vladimirovich Tauson (1917–1989). It has also been
reported from a
fenite **** ****ociated with a
carbonatite complex in Sarambi, Concepción Department...
- grossular-andradite garnet,
calcic pyroxene, vesuvianite,
epidote and scapolite.
Fenite, as a
variant of
metasomatism ****ociated with
strongly alkaline or carbonatitic...
- This
alteration ****emblage
produces a
unique rock
mineralogy termed a
fenite after its type locality, the Fen
Complex in Norway. The
alteration consists...
-
surrounded by a ring of low-hills that are
predominantly covered by
fenite. The
fenite zone is up to 1 km wide with a
breccia zone
adjacent to the carbonatite...
