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fine grained rock

Fine-grained ("volcanic") crystalline igneous rock that have mineral grains mostly <2mm, not readily identifiable to the naked eye. The subtypes usually must be petrographically and/or chemically analysed and plotted on QAPF or TAS diagrams to characterise them precisely

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  • fine-grained rock- crossword answers, clues, definition

    fine-grained rock- crossword answers, clues, definition

    'FINE-GRAINED ROCK' is a 15 letter phrase starting with F and ending with K Crossword clues for 'FINE-GRAINED ROCK' Synonyms, crossword answers and other related words for FINE-GRAINED ROCK [slate] We hope that the following list of synonyms for the word slate will …

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  • basalt: igneousrock- pictures, definition, uses & more

    basalt: igneousrock- pictures, definition, uses & more

    Basalt is a dark-colored, fine-grained, igneous rock composed mainly of plagioclase and pyroxene minerals. It most commonly forms as an extrusive rock, such as a lava flow, but can also form in small intrusive bodies, such as an igneous dike or a thin sill. It has a composition similar to gabbro

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  • fine-grained(aphanitic) textures

    fine-grained(aphanitic) textures

    Fine-grained textures generally indicate magmas that rapidly cooled at or near the Earth's surface. Fast cooling prevents crystals from growing very large. The cutoff between fine- and coarse-grained textures is about 1 mm. All four photos below are of the mafic rock basalt

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  • fine grained rock- crossword clue answers - crossword solver

    fine grained rock- crossword clue answers - crossword solver

    Crossword Clue The crossword clue Fine-grained rock with 5 letters was last seen on the January 01, 2014.We think the likely answer to this clue is SLATE.Below are all possible answers to this clue ordered by its rank. You can easily improve your search by specifying the number of letters in the answer

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  • igneousrocks| pictures of intrusive and extrusiverocktypes

    igneousrocks| pictures of intrusive and extrusiverocktypes

    Dacite is a fine-grained, extrusive igneous rock that is usually light in color. It has a composition that is intermediate between rhyolite and andesite. The specimen shown is about four inches (ten centimeters) across. Basalt is a fine-grained, dark-colored extrusive igneous rock composed mainly of …

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  • fine grainedsedimentaryrockcrossword clue, crossword

    fine grainedsedimentaryrockcrossword clue, crossword

    A soft, fine-grained, white sedimentary rock (5) OOLITE Sedimentary rock such as limestone consisting of tiny spherical concentric grains within a fine matrix (6)

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  • what iscoarse grained and fine grained rock? - answers

    what iscoarse grained and fine grained rock? - answers

    Fine grained rock exhibits a non-visible or nearly non-visible crystalline structure on a fractured surface. On the opposite end, a coarse grained rock exhibits mineral crystals of the rock's

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  • what arefine grained rocks? - askinglot.com

    what arefine grained rocks? - askinglot.com

    Definition of fine-grained rocks. Rocks in which the crystals are very fine-grained, or else the whole or part is glass. These are the volcanic rocks. Ref: Mason. Beside this, how are fine grained rocks formed? If magma cools quickly, for example when basalt lava erupts from a volcano, then many crystals form very quickly, and the resulting rock is fine-grained, with

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  • classification of fine-grained sedimentary rocks| journal

    classification of fine-grained sedimentary rocks| journal

    The expression good sorting is applied to fine-grained clastic rocks that contain more than 90 percent silt or clay-sized material. Fair-sorted rocks contain 75 to 90 percent silt or clay. Poorly sorted siltstone or claystone contains less than 75 percent silt or clay. If fissile, fine-grained clastic rocks are so designated

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  • slate: metamorphicrock- pictures, definition & more

    slate: metamorphicrock- pictures, definition & more

    Slate is a fine-grained, foliated metamorphic rock that is created by the alteration of shale or mudstone by low-grade regional metamorphism. It is popular for a wide variety of uses such as roofing, flooring, and flagging because of its durability and attractive appearance. Composition of Slate

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  • igneousrocks| pictures of intrusive and extrusiverocktypes

    igneousrocks| pictures of intrusive and extrusiverocktypes

    Dacite is a fine-grained, extrusive igneous rock that is usually light in color. It has a composition that is intermediate between rhyolite and andesite. The specimen shown is about four inches (ten centimeters) across. Basalt is a fine-grained, dark-colored extrusive igneous rock composed mainly of …

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  • fine-grained rock- 2 answers | crossword clues

    fine-grained rock- 2 answers | crossword clues

    Fine-grained rock (2) Fine-grained rock consisting of c... (1) Fine-grained sedimentary rock (1)

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  • fine grained rock- crossword clue answers - crossword solver

    fine grained rock- crossword clue answers - crossword solver

    Crossword Clue The crossword clue Fine-grained rock with 5 letters was last seen on the January 01, 2014.We think the likely answer to this clue is SLATE.Below are all possible answers to this clue ordered by its rank. You can easily improve your search by specifying the number of letters in the answer

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  • darkfine grainedvolcanicrock- crossword clue answers

    darkfine grainedvolcanicrock- crossword clue answers

    Mar 12, 2020 · The crossword clue Dark fine-grained volcanic rock with 6 letters was last seen on the March 12, 2020. We think the likely answer to this clue is BASALT. Below are all possible answers to this clue ordered by its rank. You can easily improve your search …

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  • classification of metamorphic rocks

    classification of metamorphic rocks

    These rocks are formed by crushing and shearing with only minor recrystallization. If there are no conspicuous directional features, the rock is called "crush breccia" if coarse grained Most of them, however, are foliate

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