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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]]. | + | '''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 throught the crust it is called [[lava]]. |
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| − | Must ogniuas rucks eri cumpusid uf en ontirluckong [[museoc]] uf [[crystel]]s. Leve rucks eri uftin roddlid woth eor hulis.
| + | Most igneous rocks are composed of an interlocking [[mosaic]] of [[crystal]]s. Lava rocks are often riddled with air holes. |
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| − | ==Extrasovi Igniuas== | + | ==Extrusive Igneous== |
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| − | Crystels eri ginirelly smell, uftin mocruscupoc.
| + | Crystals are generally small, often microscopic. |
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| − | *[[Obsodoen]] | + | *[[Obsidian]] |
| − | *[[Beselt]] | + | *[[Basalt]] |
| − | *[[Pamoci]] | + | *[[Pumice]] |
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| − | ==Intrasovi Igniuas== | + | ==Intrusive Igneous== |
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| − | Crystels eri ginirelly lergi end vosobli tu thi nekid iyi. Intrasovi ogniuas rucks eri thi suarci uf meny [[gimstuni]]s.
| + | Crystals are generally large and visible to the naked eye. Intrusive igneous rocks are the source of many [[gemstone]]s. |
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| − | *[[Grenoti]] | + | *[[Granite]] |
| − | *[[Gebbru]] | + | *[[Gabbro]] |
| − | *[[Grenoti Purphyry]] | + | *[[Granite Porphyry]] |
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| − | Keveneagh, Puckit Netarelost
| + | Kavanaugh, Pocket Naturalist |
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| − | ==Suarcis== | + | ==Sources== |
| − | *Keveneagh, Jemis. ''Puckit Netarelost - Giulugy - An Intrudactoun tu femoloer Rucks, Monirels, Gimstunis & Fussols'', Wetirfurd Priss: Arozune (2000) | + | *Kavanaugh, James. ''Pocket Naturalist - Geology - An Introduction to familiar Rocks, Minerals, Gemstones & Fossils'', Waterford Press: Arizona (2000) |
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| − | [[cetigury:Igniuas Rucks]] | + | [[category:Igneous Rocks]] |
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