- high-temperature
regime of
pyroxene hornfels, and an ultra-high-temperature
sanidinite regime. The
latter is
sometimes regarded as a
separate facies. Maximum...
- diopside,
periclase diopside +
grossular +
wollastonite ±
vesuvianite The
sanidinite facies is a rare
facies of
extremely high
temperatures and low pressure...
-
usually reach only the low-pressure facies, such as the
hornfels and
sanidinite facies. Most
metamorphic rock is
formed by
regional metamorphism in the...
-
metamorphism of
siliceous limestones and dolomites, and
rocks of
sanidinite facies.
Sanidinite facies represent the
highest conditions of
temperature of contact...
-
Greenschist Prehnite-
Pumpellyite Zeolite Granulite Amphibolite Hornfels Sanidinite P (kbar) T (°C) 0 100 200 300 400 500 600 700 800 900 1000 0 2 4 6 8 10...
- Ultra-High
Temperature facies, HAE = Hornfels-Albite-Epidote facies, Hbl = Hornblende-Hornfels facies, HPX = Hornfels-Pyroxene Facies, San =
Sanidinite facies...
- Ultra-High
Temperature facies, HAE = Hornfels-Albite-Epidote facies, Hbl = Hornblende-Hornfels facies, HPX = Hornfels-Pyroxene Facies, San =
Sanidinite facies...
- and at a
subsequent period cast out by
violent steam explosions. The
sanidinites of the
Eifel belong to this group. At Vesuvius, Ascension, St Vincent...
