「feldspar」の共起表現(1語右で並び替え)

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共起表現

「feldspar」の共起表現一覧(1語右で並び替え)

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er used as a smokeless gunpowder, analysis of	feldspar, a treatise on the composition of water in th
It occurs with andalusite, kyanite, potassium	feldspar, almandine, cordierite, biotite and quartz in
olcanic rock can contain the minerals quartz,	feldspar, amphibole, pyroxene.
	Feldspar and Nepheline - Syenite
These minerals include quartz,	feldspar and biotite.
Its mineral assemblage is usually alkali	feldspar and plagioclase (in a ratio < 1:4).
line monzogabbro with a decrease in potassium	feldspar and an increase in the feldspathoid minerals.
les are similar in composition to plagioclase	feldspar, and revert to that mineral when melted and r
st mostly of quartz, adularia (a hydrothermal	feldspar) and brecciated volcanic rock.
ard, with hardness 5.5 to 6, close to that of	feldspar, and specific gravity 3.6 to 3.8.
of olivine, titanium-rich augite, plagioclase	feldspar and iron oxides.
the Meshomasic State Forest were quarried for	feldspar and mica.
mineralogically are composed predominately of	feldspar and quartz.
the continents contains pyroxene, plagioclase	feldspar and accessory garnet, oxides and possibly amp
or no free quartz, but is dominated by alkali	feldspar and sodic plagioclase along with one or more
nsiderable area of granite rich in red alkali	feldspar, and passing, by diminution in the amount of
ponent of lithic fragments, though quartz and	feldspar are usually present as well, along with some
resent in siliciclastic sedimentary rocks are	feldspar, biotite etc.
is commonly associated with quartz, potassium	feldspar, biotite, hornblende and magnetite.
re are specimens of granite with crystallised	feldspar branching and radiating in like manner.),
mmonly, hikers come up from the west, via the	Feldspar Brook Trail from the campsites at the Flowed
rtz in a matrix of quartz, tourmaline, alkali	feldspar, brown mica, and cassiterite.
als of the common minerals such as quartz and	feldspar, but also with elevated concentrations of rar
For example, the tectosilicate	feldspar can be described as compositions of the endme
A specific	feldspar can have varying quantities of potassium (K),
can contain uranium mineralization, potassium	feldspar, clay filling, or rock fragments that cause i
The	feldspar component of syenogranite is predominantly al
rains of silicate minerals (usually quartz or	feldspar), consisting of very narrow planes of glassy
ions present in layers with a high quartz and	feldspar content Scale x 25
Syenite pegmatite:	feldspar, corundum, muscovite, (biotite), (blue corund
grey Dacitic intrusive containing large white	feldspar crystals is found under almost all of Evatt i
grey Dacitic intrusive containing large white	feldspar crystals is found in the north east corner of
Most of the	feldspar does melt, a portion of it decomposes to leuc
Sunstone, a rare	feldspar exhibiting in certain directions a brilliant
Fractured alkali	feldspar filled with central quartz and myrmekite duri
	Feldspar for the porcelain production: in Herring (188
For example, orthoclase is typically	feldspar from granite, while its modifications occur i
c sandstones have <90% quartz grains and more	feldspar grains than lithic grains
90% quartz grains and more lithic grains than	feldspar grains
uartz grains, with minor amounts of potassium	feldspar grains deposited by eolian processes (wind-de
The alkali	feldspar group are those feldspar minerals rich in the
It is part of the	feldspar group of tectosilicates, and is considered a
The	feldspar has partly unmixed on the micro-scale to form
d its plans to begin commercial production of	Feldspar, Ilmenite, Apatite and Titanomagnetite from i
urs as an alteration product of muscovite and	feldspar in weathering and hydrothermal environments;
e resulting from the dissolution of potassium	feldspar in high grade metamorphic or igneous rocks.
of spherulitic growths of fibrous quartz and	feldspar; in their centres there is often a quartz or
the restricted sense is composed of potassic	feldspar in the form of sanidine, nepheline, augite, b
fine-grained intergrowth of quartz and alkali	feldspar, interpreted as the last product of consolida
icrocline, a triclinic polymorph of potassium	feldspar, is stable.
e is the formation of perthite when an alkali	feldspar is cooled down.it
In minerals, as a	feldspar, it can be found as anorthite, an end-member
type of Ca-metasomatism instead of the alkali	feldspar it is the ubiquitous plagioclase that gets at
stralia due to the large amount of quartz and	feldspar it contains.
clusters of divergent or radiating irregular	feldspar laths in a fine grained matrix.
orporation of Na demanding more silica in the	feldspar lattice.
th limited amounts of other framework grains (	feldspar, lithic fragments, etc.) and matrix.
menite and magnetite-ulvospinel; minor alkali	feldspar may be present, as illustrated by the positio
Labradorite ((Ca,Na)(Al,Si)4O8), a	feldspar mineral, is an intermediate to calcic member
name of Bytownite, a calcium-rich plagioclase	feldspar mineral, named from its occurrence near Ottaw
Take the alkali	feldspar minerals for example, whose end members are a
In the case of the alkali	feldspar minerals, thin white albite layers will alter
n hydrothermal areas by alteration of primary	feldspar minerals.
belt also produces some very good Cats eyes,	Feldspar, Moonstones, Aquamarines, Quarts, Sapphires,
cross cutting the foliation of litchfieldite:	Feldspar, nepheline, (magnetite), (biotite), (muscovit
echnic and found out that the piece was green	feldspar, not jade.
as a diagnostic feature of that mineral, and	feldspar of various sorts, but is possible in almost a
rocks and are common in the minerals quartz,	feldspar, olivine and pyroxene.
Biotite and hornblende frequently enclose	feldspar ophitically; less commonly iron oxides and sp
Small crystals of	feldspar or olivine are sometimes visible in them with
anic rocks have small lath-shaped crystals of	feldspar or augite diverging from a common center.
inerals rich in silica-minerals, like silicic	Feldspar or even free silica as Quartz.
magma to form biotite from orthopyroxene, and	feldspar or mica from cordierite.
Granite is composed of plagioclase	feldspar, orthoclase feldspar, quartz, mica and possib
Potassium	feldspar phenocrysts within a fine grained matrix in a
ectic compositions, the mixtures (quartz plus	feldspar plus minor amounts of other minerals) which h
ock reactions below the solidus may result in	feldspar replacement and consequent compositional chan
is a crystalline solid solution in the alkali	feldspar series, in which the sodium-aluminium silicat
silicate mineral, a member of the plagioclase	feldspar solid solution series.
Associated minerals include quartz,	feldspar, spodumene, amblygonite, tourmaline, columbit
small scales of hematite oriented within the	feldspar structure.
The white mineral is alkali	feldspar, the black is aegirine, and the little brown
Mined for its mica, kaolin, quartz and	feldspar, the District provides over 90% of raw materi
Quartz and	feldspar, together with the dense forests, provided th
he commonest crystals are olivine, augite and	feldspar, with swarms of minute dusty black grains of
ry fine-grained minerals, such as plagioclase	feldspar, with hornblende or augite, and may contain a
rge, rough crystals, somewhat resembling pink	feldspar, with franklinite and zinc ores in granular l
e, plagioclase, with lesser amounts of alkali	feldspar, with mafic minerals composed of any of the f

共起表現

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「feldspar」の共起表現一覧(1語右で並び替え)