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No pumice is not a porphyritic igneous rock, a porphyritic rock is characterized by the presence of phenocrysts (large mineral grains) and very small mineral grains with none in between. This implies that there was two different stages of cooling. Pumice is an extrusive igneous rock that cooled very quickly.
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∙ 11y ago
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∙ 12y agoWiki User
∙ 15y agoNo, pumice is not a plutonic rock. However, granite is. Pumice is extrusive, while plutonic rocks are intrusive.
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∙ 14y agoPumice is igneous, as it is a product of volcanic activity.
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∙ 15y agoPumice is an extrusive igneous rock.
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∙ 10y agoNeither. Pumice is igneous.
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Is pumice igneous rock metamorphic rock or sedimentary rock?
Igneous Rock
Which of Slate Granite Shale or Pumice is classified as a sedimentary rock?
The answer is Shale. Slate is a metamorphic rock derived from shale, granite is an intrusive igneous rock, and pumice is a vesicular extrusive igneous rock.
What is the metamorphic form of pumice?
Pumice is easily broken down because of it contains numerous air pockets. The metamorphic forms of pumice are gneiss, schist and slate.
Is pumice foliated or non foliated?
Igneous rock (like pumice) does not normally display banding, layering, or flaky texture. Foliated vs. non-foliated as a descriptive term in rock identification is most often used in reference to metamorphic rock.
Is a pumice rock a rock or a mineral?
Pumice is an extrusive igneous rock, not a mineral.
What metamorphic rock can float?
Pumice.
Is pumice a soft metamorphic rock?
Yes
Is the metamorphic rock obsidian or pumice?
Neither. Both pumice and obsidian are igneous.
Is pumice igneous rock metamorphic rock or sedimentary rock?
Igneous Rock
What is a poro us metamorphic rock?
Travertine might be called porous. Pumice might be considered metamorphic.
Which of Slate Granite Shale or Pumice is classified as a sedimentary rock?
The answer is Shale. Slate is a metamorphic rock derived from shale, granite is an intrusive igneous rock, and pumice is a vesicular extrusive igneous rock.
Why doesn't pumice or obsidian turn into a metamorphic rock?
Pumice and obsidian are both forms of volcanic glass, which weathers away fairly easily.
Which medium-grade metamorphic rock is mostly composed of quartz mica chlorite talc hornblende?
pumice
What type of rock is granite pumiceand marble?
Granite is an intrusive igneous rock. Pumice is an extrusive igneous rock. while, Marble is a (non-folliated) metamorphic rock.
What is the metamorphic form of pumice?
Pumice is easily broken down because of it contains numerous air pockets. The metamorphic forms of pumice are gneiss, schist and slate.
Is pumice foliated or non foliated?
Igneous rock (like pumice) does not normally display banding, layering, or flaky texture. Foliated vs. non-foliated as a descriptive term in rock identification is most often used in reference to metamorphic rock.
Can metamorphic rocks float?
The extrusive volcanic rock pumice can float on water. Other extrusive volcanic rocks are not so lucky.
