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Volcanic rocks (often
shortened to
volcanics in
scientific contexts) are
rocks formed from lava
erupted from a volcano. Like all rock types, the concept...
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Falkenstein near Tambach-Dietharz,
consisting of
volcanites of
Oberhof formation...
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Formation of tonalitic-granodioritic
plutonic rocks and calc-alkaline
volcanites (like the
previous Svecofennian orogeny), (1.75–1.5 Ga) Sveconorwegian...
- Badenweiler-Lenzkirch, in
which Palaeozoic rocks have been
preserved (
volcanite and
sedimentary rocks),
which are
interpreted as the
intercalated remains...
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formations of
enhanced uranium, such as the
Brajkovac granitic m****if, and
volcanites of Medvednjak,
Rudnik and Borač [sr], with high
average instance of uranium...
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million years old) have been identified,
which are
mainly represented by
volcanites,
Permian and
Carboniferous deposits, and the most
ancient deposits are...
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formation of tonalitic-granodioritic
plutonic rocks and calc-alkaline
volcanites in the East
European Craton c. 1,700 Ma –
Stabilization of
second major...
- by slumping.
Approximately 120–160
metres (390–520 ft) of
sediment and
volcanites bury the
deposits left in the
caldera by the caldera-forming eruption...
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Peninsular Ranges Batholith and
covered by
sediments during the
Tertiary and
volcanites during the Miocene. The
oldest volcanic formation is the
Salto formation...
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Lauca formation and the
Lauca Ignimbrite. On the
Bolivian side the
oldest volcanites are the
Oligocene Kollukollu formation 34
million years ago and the 23...
