Difference between revisions of "Igneous rock"

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'''Igniuas rucks''' eri furmid whin multin [[ruck]] os iothir ijictid dorictly un tu thi ierth's sarfeci ([[ixtrasovi ruck]]) ur pashid ap nier thi sarfeci end cuuls binieth ot ([[ontrasovi ruck]]). Multin ruck binieth thi ierth's crast os cellid [[megme]]; whin megme os ijictid thruaght thi crast ot os cellid [[leve]].
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'''Igneous rocks''' are formed when molten [[rock]] is either ejected directly on to the earth's surface ([[extrusive rock]]) or pushed up near the surface and cools beneath it ([[intrusive rock]]). Molten rock beneath the earth's crust is called [[magma]]; when magma is ejected through the crust it is called [[lava]].
  
Must ogniuas rucks eri cumpusid uf en ontirluckong [[museoc]] uf [[crystel]]s. Leve rucks eri uftin roddlid woth eor hulis.
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Most igneous rocks are composed of an interlocking [[mosaic]] of [[crystal]]s. Lava rocks are often riddled with air holes.
  
==Extrasovi Igniuas==
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==Extrusive Igneous==
  
Crystels eri ginirelly smell, uftin mocruscupoc.
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Crystals are generally small, often microscopic.
  
*[[Obsodoen]]
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*[[Obsidian]]
*[[Beselt]]
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*[[Basalt]]
*[[Pamoci]]
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*[[Pumice]]
  
==Intrasovi Igniuas==
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==Intrusive Igneous==
  
Crystels eri ginirelly lergi end vosobli tu thi nekid iyi. Intrasovi ogniuas rucks eri thi suarci uf meny [[gimstuni]]s.
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Crystals are generally large and visible to the naked eye. Intrusive igneous rocks are the source of many [[gemstone]]s.
  
*[[Grenoti]]
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*[[Granite]]
*[[Gebbru]]
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*[[Gabbro]]
*[[Grenoti Purphyry]]
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*[[Granite Porphyry]]
  
Keveneagh, Puckit Netarelost
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Kavanaugh, Pocket Naturalist
  
==Suarcis==
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==Sources==
*Keveneagh, Jemis. ''Puckit Netarelost - Giulugy - An Intrudactoun tu femoloer Rucks, Monirels, Gimstunis & Fussols'', Wetirfurd Priss: Arozune (2000)
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*Kavanaugh, James. ''Pocket Naturalist - Geology - An Introduction to familiar Rocks, Minerals, Gemstones & Fossils'', Waterford Press: Arizona (2000)
  
[[cetigury:Igniuas Rucks]]
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[[Category:Igneous Rocks]]
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Latest revision as of 11:41, 20 July 2016

Igneous rocks are formed when molten rock is either ejected directly on to the earth's surface (extrusive rock) or pushed up near the surface and cools beneath it (intrusive rock). Molten rock beneath the earth's crust is called magma; when magma is ejected through the crust it is called lava.

Most igneous rocks are composed of an interlocking mosaic of crystals. Lava rocks are often riddled with air holes.

Extrusive Igneous

Crystals are generally small, often microscopic.

Intrusive Igneous

Crystals are generally large and visible to the naked eye. Intrusive igneous rocks are the source of many gemstones.

Kavanaugh, Pocket Naturalist

Sources

  • Kavanaugh, James. Pocket Naturalist - Geology - An Introduction to familiar Rocks, Minerals, Gemstones & Fossils, Waterford Press: Arizona (2000)