Results 271 to 280 of about 24,812 (309)

Atmospheric dispersal shapes rapid bacterial colonization of Icelandic Lava Rocks. [PDF]

open access: yesFEMS Microbes
Daussin A   +5 more
europepmc   +1 more source
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Lava

ACM SIGPLAN Notices, 1998
Lava is a tool to assist circuit designers in specifying, designing, verifying and implementing hardware. It is a collection of Haskell modules. The system design exploits functional programming language features, such as monads and type classes, to provide multiple interpretations of circuit descriptions.
Satnam Singh   +3 more
openaire   +2 more sources

Phenocryst fragments in rhyolitic lavas and lava domes

Journal of Volcanology and Geothermal Research, 2003
Although rhyolitic lavas and lava domes are characterised by evenly porphyritic textures, not all the phenocrysts are whole euhedra. We undertook image analysis of 46 rhyolitic lava and lava dome samples to determine the abundance and shape of quartz and feldspar phenocryst fragments. Phenocryst fragments were identified in nearly all samples.
Allen, SR, McPhie, J
openaire   +3 more sources

Extraterrestrial lava lakes

Journal of Volcanology and Geothermal Research, 2018
Abstract Active lava lakes are rare on Earth, with only ten documented examples, all formed by lavas of basaltic composition and housed inside summit craters or calderas. The existence of lava lakes on other planetary bodies may imply similarities in either composition or volcano-tectonic settings, and so has important implications for understanding ...
Lopes, Rosaly M.C.   +6 more
openaire   +6 more sources

Magma and Lava

2020
As presented in Chap. 14 hot melts that are derived from the Earth’s interior are erupted during volcanic events, either by effusion of lava flow accompanied by turbulent degassing (Fig. 16.1) or by explosive ejection.
Martin Okrusch, Hartwig E. Frimmel
openaire   +2 more sources

Viscosity of Lunar Lavas [PDF]

open access: possibleScience, 1970
The viscosity of a synthetic silicate liquid with the composition of a lunar rock has been determined experimentally and found to be lower than that of any previously studied volcanic rock on earth. This fact suggests that lunar lava flows will be very thin and extensive unless they are ponded, and that lava tubes should be common and of larger ...
Alexander R. McBirney, Tsutomu Murase
openaire   +2 more sources

Clastic and core lava components of a silicic lava dome

Geology, 2009
The formation of a lava dome involves fractionation of the lava into core and clastic components. We show that for three separate, successive andesitic lava domes that grew at Soufriere Hills volcano, Montserrat, between 1999 and 2007, the volumetric proportion of the lava converted to talus or pyroclastic flow deposits was 50%–90% of the lava extruded.
G. Ryan   +3 more
openaire   +2 more sources

Lava Flow

2014
NASM ; NASM-CEPS ; Peer ...
Kereszturi, Akos   +2 more
openaire   +2 more sources

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