10 ENGLISH BOOKS RELATING TO «GROUNDMASS»
Discover the use of groundmass
in the following bibliographical selection. Books relating to groundmass
and brief extracts from same to provide context of its use in English literature.
The Aeolian Islands Volcanoes:
(1989, 1997b) VL42A Capo Grillo Formation Primordial Vulcano Lava flow Casa
Grottadell'Abate Groundmass 107.5+ 2.8 VL40G Monte Aria Formation (ma2
member) Monte Aria fissure Lava flow Monte Molineddo Groundmass 78.5 + 4.5
F. Lucchi, A. Peccerillo, J. Keller, 2013
Cenozoic Tectonics and Volcanism of Mexico
Other features: Seriate-textured rock constituted mostly by plagioclase and
pyroxene crystals set in a devitrified groundmass. Phenocryst phases form
glomerocrysts and all minerals are heavily fractured. Location: 7 km southwest of
Hugo Delgado-Granados, Gerardo J. Aguirre-Díaz, Joann M. Stock, 2000
Geological Survey Professional Paper
The porphyry dikes contain sparse to moderately abundant phenocrysts of "beta"
quartz and subordinate plagioclase and K-feldspar in a fine-grained silicic
groundmass (chap. B, this volume). Joints appear to be randomly oriented in the
Geological Survey (U.S.), 1988
Large Meteorite Impacts and Planetary Evolution IV
30.68 m Melt-rich suevite Groundmass and melt fragments are completely
converted to secondary phyllosilicates. Very small (accessory) opaque
component, involves tiny specks of magnetite after strongly shocked and partially
melted mafic ...
W. U. Reimold, Roger Lawrence Gibson, 2010
United States Geological Survey Professional Paper
Analysis 1 represents the porphyritic trachyte with a very fine crystalline
groundmass, but the relation of pumice to trachyte and the identity of the
associated phenocrysts indicate that one was the glassy and the other the
crystalline phase ...
New Zealand Journal of Geology and Geophysics
Groundmass is composed dominantly of feldspar and opaque oxides with
accessory clino- pyroxene. R3972 (OU37625) Porphyritic trachyte flow. Sparsely
porphyritic rock consisting of rare phenocrysts of plagio- clase, pale green ...
Geology and ore deposits of the Montezuma Quadrangle, Colorado
The groundmass is much darker than most of the phenocrysts and is darker in the
medium-grained porphyries than in the felsitic varieties. Its chief minerals, named
in the order of abundance, are albite, orthoclase, and quartz. The proportions ...
Thomas Seward Lovering, Colorado Geological Survey, Colorado State Metal Mining Fund, 1935
Basin and Range Extensional Tectonics Near the Latitude of ...
Groundmass plagioclase is distinctly different in the basalts and andesites. The
composition of plagioclase in the groundmass of basalts is approximately An 72,
whereas in andesites it is approximately An 54. An important observation is that ...
The Volcanic Geology of the Mid-Arc Island of Dominica:
Iron-titanium–oxide microphenocrysts are present in all samples. The
groundmass in most samples is composed of plagioclase, pyroxene, and
irontitanium oxide. In a few basalts, the groundmass plagioclases exhibit a well-
defined fluidal ...
A.L. Smith, M.J. Roobol, G.S. Mattioli, 2013
Professional Paper - United States Geological Survey
... edges of the floes are soon reduced, so that the motion takes place along a
nearly straight line. The blocks of ice are gradually ground into small fragments,
so that a mixture of boulders of ice in a groundmass of white slush is formed
Geological Survey (U.S.), 1919
10 NEWS ITEMS WHICH INCLUDE THE TERM «GROUNDMASS»
Find out what the national and international press are talking about and how the term groundmass
is used in the context of the following news items.
Frontline Options Chukuni Property along Goldcorp's Red Lake Gold …
At depth, the basalt unit grades into a more medium grained groundmass, with very strong silicification, and a weakly mineralized (3-5% po, py, ... «Stockhouse, Jun 15»
New method to detect water on Mars
Washington: A new method to quantify the texture of volcanic rocks using an index called "groundmass crystallinity" could help detect water on ... «Zee News, Oct 14»
College student figures out new way for detecting water on Mars
Wall, along with her fellow researchers, learned how to measure the crystal formations of a rock's groundmass, or that part of the rock made of ... «Tech Times, Oct 14»
Undergrad helps develop method to detect water on Mars
The researchers established a method to quantify the texture of volcanic rock using an index called “groundmass crystallinity.” Wall compares it ... «WSU News, Oct 14»
Geologists: Landslides a threat in Kentucky, too
... to determine groundwater levels, the speed of the ground movement, and the depth and shape of the sliding groundmass at the site. «The Lane Report, Mar 14»
Kimberlite: Diamond-Bearing Rock Discovered in Antarctica
... (ol) crystals are set in a fine- to coarse-grained groundmass, consisting of phlogopite (phl), calcite (cc), perovskite (pr), apatite and magnetite. «Sci-News.com, Dec 13»
Bringing a Magmatic System Back to Life: My Research at Lassen …
However, we still find some happy in the groundmass between the mineral grains. This means whatever process ripped them from the crystal ... «Wired, Dec 13»
Meteoric Resources confirms diamond potential at Mt Webb
... depth of 96 metres; also reported was the probable presence of two generations of olivine, fine grained phlogopite and a calcite groundmass. «Proactive Investors Australia, Sep 13»
VOLCANO WATCH: Mapping the world's largest volcano
The things we examine include the sizes, shapes, and proportions of crystals; groundmass (matrix) texture; vesicle (gas bubble) shape; vesicle ... «Big Island Video News, Jun 13»
Sample Preparation Tools in Mining
... uneven distribution of ore minerals in the groundmass or veins/veinlets. However, these methods require completely dissolving the samples ... «Azomining, Sep 12»