-
Sideromelane is a
vitreous basaltic volcanic gl****,
usually occurring in
palagonite tuff, for
which it is characteristic. It is a less
common form of tachylite...
-
sideromelane.
Tachylite is
opaque to
transmitted light because of the
abundance of tiny
oxide mineral crystals suspended in the gl****.
Sideromelane is...
- organic) Shungite, black, lustrous, more than 98
weight percent of
carbon Sideromelane,
volcanic gl**** – non-crystalline, an iron rich,
silica poor gl**** Tektite...
-
rapid cooling.
Several mineraloids are
found in
hyaloclastite m****es.
Sideromelane is a
basalt gl****
rapidly quenched in water. It is
transparent and pure...
- tuff
composed of
sideromelane fragments and co****r
pieces of
basaltic rock,
embedded in a
palagonite matrix. A
composite of
sideromelane aggregate in palagonite...
- Fine-grained
igneous rock,
resulting from
alteration of
oceanic basalt Sideromelane –
Vitreous basaltic volcanic gl**** Volcano –
Rupture in a planet's crust...
-
Raraku contains a
freshwater lake. The
stratified tuff is
composed of
sideromelane,
slightly altered to palagonite, and
somewhat lithified. The tuff contains...
-
Hawaiian lava fountains,
where rapid cooling favors their formation.
Sideromelane is a
light brown basaltic gl****, also
formed in
these eruptions, with...
- For example, ash
collected from
Hawaiian lava
fountains consists of
sideromelane (light
brown basaltic gl****)
pyroclasts which contain microlites (small...
-
Comparative Study of
Glaciovolcanic Palagonitization of
Tholeitic and
Alkaline Sideromelane in Helgafell, Icland, and
Wells Gray-Clearwater
Volcanic Filed, BC, Canada...
