IGNEOUS ROCKS Igneous rock forms when magma cools and forms crystals Intrusive: Cool below the surface Extrusive: Cool at the surface TEXTURES Two basic ...
Basalt is an extrusive igneous rock that is very dark in color. It is the most common type of rock in the Earth's crust and it makes up most of the ocean floor. ...
Igneous Rocks Hot rocks/Fire Rocks Igneous Rock Igneous rocks form when: molten rock cools and solidifies. Igneous Rocks Molten rock is called magma when it is below ...
Igneous Rocks Igneous means Fire in Latin Many are produced by Volcanos Some are produced when underground magma cools and hardens Igneous Rocks being formed Basalt ...
Igneous Rocks What are they? Rock made from cooled LAVA or MAGMA. Classification Igneous Rock is classified in 3 ways Texture Origin (where it formed) Mineral ...
Igneous Rocks Basic Principles Igneous Rocks Igneous means fire formed Igneous rocks originate at high temperatures Temperatures are hot enough to melt rock ...
Igneous Rocks What are they? Rock made from cooled LAVA or MAGMA. Classification Igneous Rock is classified in 3 ways Texture Origin (where it formed) Mineral ...
Title: Granites and collisions Author: Information Technology Last modified by: Information Technology Created Date: 4/6/2006 1:53:40 PM Document presentation format
Igneous Rock 12/1/14 4-2 pgs. 87-90 IN: Explain, using words and pictures, how rocks form. sedimentary rock sediment magma cooling, crystallization weathering and ...
Title: Granites and collisions Author: Information Technology Last modified by: Information Technology Created Date: 4/6/2006 1:53:40 PM Document presentation format
Intrusions form as magma solidifies beneath the surface. Intrusive Rock Bodies. Intrusions are classified by their size, shape and relative age. Large intrusions ...
Intrusive Igneous Activity Plutons result from the cooling and hardening of magma within the earth Exposed at surface after uplift and erosion Pluton refers to Pluto ...
Igneous Rocks: Terminology Igneous rocks are formed as a result of cooling and crystallization from a magma Magma is molten rock, rich in silica (SiO2), which contains
II. Igneous Rocks Mr. Mathews Earth Science 6th Grade Main Idea Details A. Classification of Igneous Rock Classified according to their _____ (where they formed ...
Igneous Rock Features Batholith Hardened magma chamber Can be 100 s of kilometers wide, long and thick Laccolith Magma that came up through the crust and hardened ...
At the surface, cooling rates are rapid resulting in very fine-grained texture. ... Gabbro Family. Mafic lava= low silica, rich in iron. Dark colored. basalt ...
Igneous Activity The Nature of Volcanic Eruptions Factors that determine whether a volcano erupts explosively or gently Magma s composition Temperature Dissolved ...
Classification of Igneous Rock Section 5.2 Mineral Composition Intrusive Igneous intrusion Large crystals (macroscopic) Extrusive Lava flow or flood basalts Small ...
Igneous Rocks Make up 95% of earths crust Most common are on the continents - Andesite and Granite Most common on the ocean floor basalt All Igneous rocks ...
An igneous rock is a rock that is created by a volcano. Some rocks cool quickly and are very shiny. Obsidian ... Scoria. Where are igneous rocks formed? ...
Igneous Textures. Crystallinity. Holocrystalline 100% ... Crystalline but individual grains are not easily visible with a hand lens or microscope ... Poikilitic ...
What is Lava? How do they form? What are the two categories of igneous rocks? ... How Hot Is Lava? How long does it take lava to cool? Where Does Magma Originate? ...
... used this information to demonstrate that as a magma cools, ... silicates Quartz Muscovite Mica Feldspar Properties of Igneous Rocks Granitic composition: ...
Igneous Rocks Igneous means Fire in Latin Many are produced by Volcanos Some are produced when underground magma cools and hardens Igneous Rocks being formed Basalt ...
Form from melt (magma vs. lava) Classified based on composition and ... http://physics.uwstout.edu/geo/gallery/obsidian.jpg. Explosive deposit - pyroclast ...
Layered Igneous Intrusions IN THIS LECTURE Compositional Variation in Magmas Crystal Fractionation The Phase Rule Binary Systems Congruent versus Incongruent Melting
The Scheme for Igneous Rock Identification A Brief Tour Crystal size Description Grain size Igneous rocks have Intergrown Crystals Intergrown Intergrown ...
Igneous Rocks Igneous = fire Lava cooling General characteristics of magma Igneous rocks form as molten rock cools and solidifies General characteristics of magma ...
The Scheme for Igneous Rock Identification A Brief Tour Crystal size Description Grain Size Intergrown Intergrown Intergrown Not Intergrown Where it was formed ...
Pyroclastic Rock Volcanic Breccia. If pieces are smaller then referred to as Volcanic Tuff ... Pyroclastic Volcanic Breccia or Tuff. Summary - Igneous Rock ...
'Lava' is magma that reaches the surface and looses gas (mostly water and CO2) ... that crystallizes before reaching the surface forms an intrusive (plutonic) rock ...
Touring Our Solar System Chapter 23 The Planets: An Overview 23.1 The Solar System The terrestrial planets are planets that are small and rocky Mercury, Venus ...
... that atoms don't have enough time to get together, bond and form ... High SiO2. Low Fe & Mg. Light colored, less dense. On the continents. Andesitic Rocks ...
Igneous Rocks EXT-rusive EXITED Earth IN-trusive Formed IN-side Earth Crystal Size Intrusive Rock (Large Crystal Size) Because it is inside the Earth, ...
Environments of magma formation. Spreading centers. Hot asthenosphere oozes into spreading ridge. Mantle plume ... World distribution of volcanoes. Subduction ...