9 igneous rocks
Igneous rocks
... Narrow tabular body of igneous rocks g stratification that are discordant with existing Narrow tabular body of igneous rocks that are concordant with existing stratification Igneous Plumming •Cemented ... concordant with existing stratification Igneous Plumming •Cemented together fragments of preexisting rocks •Classification based on grain size • Formed as a product of inorga...
Igneous rocks
... Igneous Rocks An igneous rock is formed when magma or lava cools and solidifies Igneous rocks Why care? Igneous rocks make up bulk of Earth’s crust Earth’s mantle is composed entirely of igneous ... other rocks) Metamorphic (formed when preexisting rocks are heated under pressure Prelude Chapter: Rocks Rocks and minerals Some rocks composed entirely of one mineral lime...
More igneous rocks
... Naming Igneous Rocks: Upper mantle plutonic igneous rocks, “peridotite” or “dunite” (Near Globe, AZ) Ultramafic: ~ 40% Silica (less than gabbro/basalt, with more Fe and Mg) Naming Igneous Rocks: ... Naming Igneous Rocks Igneous rocks are classified by their: Texture depends on: how fast/slow magma cools Mineral Composition depends on: chemical makeup of parent magma Cooli...
chapter 3 intrusive igneous rocks
... heat up and melt at depth to form magma Igneous Rocks • Magma is molten rock • Igneous rocks form when magma cools and solidifies – Intrusive igneous rocks form when magma solidifies underground ... • – Intrusive/ extrusive felsic rocks - granite/rhyolite Intermediate rocks have silica contents between those of mafic and felsic rocks • – Intrusive/ extrusive mafic rocks...
Unit 3 rock cycle sedimentary igneous metamorphic rocks 2 1 1
... with magma Types of Metamorphic Rocks Schist rocks are metamorphic These rocks can be formed from basalt, an igneous rock; shale, a sedimentary rock; or slate, a metamorphic rock Through tremendous ... can become a sedimentary rock Sedimentary rocks – are arranged in thick horizontal layers called bedding Types of Sedimentary Rocks Sandstone rocks are sedim...
Northwest igneous and metamorphic rocks
... recrystallization Weathering, Erosion Melting Metamorphic Rocks Burial, metamorphism, recrystallization Sedimentary Rocks Northwest Igneous and Metamorphic Rocks Cascade Volcanoes (recent) Cascade ... Outline Igneous Rocks Sedimentary Rocks Metamorphic Rocks Rock Identification Lab Rock Cycle Crystallization at depth or extrusion at surface Igneous Rocks...
Lecture 9 surface processes chemical and physical weathering and sedimentary rocks
... Falls) Tectonics rocks caught in a fault zone are definitely undergoing physical weathering Etc 12 Weathering feedbacks: chemical and physical • Physical weathering and chemical weathering generally ... environments • Physical and chemical weathering promote one another: – Formation of cracks by physical weathering increases reactive surface area, promotin...
Giáo trình C toàn tập Chương 9
... sách 9. 2 Danh sách 9. 2 class SmartDir : public ContactDir { public: SmartDir(const int max) : ContactDir(max) {recent = 0;} Contact* Recent (void); Contact* Find (const char *name); private: char ... xuất kh c: class Foo { public: // cac vien chung private: // cac vien rieng protected: // cac vien duoc bao ve public: // cac vien chung nua protected: // cac vien duoc bao ve nua }; 9. 5 Lớ...
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