PPT-Basalt

themobarometers and source tracers 408508 Lecture101 What do basalt PTmeters do Ideally they determine an average of the p and t of melting which is most often polybaric In some instances they can fingerprint depth of last magma chamber before melts reached the surface. Pleist M Pleist Messinian Oxfordian Late Callovian Bathonian Bajocian Toarcian Aalenian Tithonian Kimmeridgian Early Lt Pleist Holocene Quaternary Rhaetian Norian Carnian Late Anisian Middle Ladinian Olenekian Lopingian Wuchiapingian Induan Changhsi Uniquely Crossville brPage 2br AV293 Bedrock Color Palette Colors AV292 Caldera AV291 Silica AV295 Magma AV294 Ma64257c AV294 Ma64257c 12 x 24 UPS brPage 3br Specifications Shade Texture Index Basalt has a shade variation of V3 V2 V3 V Hot rocks/Fire Rocks. Igneous Rock . Igneous rocks form . when molten rock cools and solidifies. . Molten rock is called magma when it is below the Earth’s surface and lava when it is above.. when molten rock cools and solidifies. By . Micheál. Foley. The Giant's Causeway (known as . Clochán. an . Aifir. or . Clochán. . na. . bhFomhórach. in . Irish) . is an area of about 40,000 interlocking basalt columns, the result of an ancient volcanic . III: . Hot-spots . and . mantle plumes . Hotspot tracks: Global distribution . Location of hot-spots and hot-spot tracks:. Figures from . Turcotte. and Schubert. Hotspot tracks: A view on the Pacific . Gillian R. . Foulger. Durham University, U.K.. 2. Morgan (1971). The Plume Hypothesis. 3. 4. The Plate hypothesis. Top Down vs. Bottom Up. 6. Predictions of the Plume Hypothesis. 8. Burov. (2005). 1. Precursory uplift. Question #. 1b. Hardness. Texture Luster. Igneous rocks are classified in what three ways?. Question #1. Igneous rock that forms . IN. . the . earth is ________.. Igneous rock that forms when molten. BASALTS, DIABASES, ANDESITES, DACITES and RELATED ROCKS. 2. Types of Igneous Rock. Extrusive. Intrusive. Pyroclastic. Lava Flow. Hypabyssal. Plutonic. 3. Igneous Rock Classification. Igneous rocks may be classified on the basis of what minerals they contain. Gautam Sen. Flood Basalts & Hot Spot Tracks. “Plume Heads & Tail” Model. Central Atlantic Magmatic Province (CAMP). Flood Basalts & Mass Extinctions. Columbia River Basalt. FeO* & TiO. . Causeway. Tiia Valli. It is located in County Antrim, on the northeast coast of Northern Ireland, about two miles (3 km) north of the town of . Bushmills. .. . Bushmills. . Distillery. Antrim. The. What is important and why?. Using the five questions . approach. This approach identifies the processes that form the gold deposit (it does not describe the deposit) across the full range of scales. OROGENIC GOLD TARGETING. BASALTS, DIABASES, ANDESITES, DACITES and RELATED ROCKS. 2. Types of Igneous Rock. Extrusive. Intrusive. Pyroclastic. Lava Flow. Hypabyssal. Plutonic. 3. Igneous Rock Classification. Igneous rocks may be classified on the basis of what minerals they contain. Ancient lava flows on the Moon released gases such as CO, S, and H. 2. O. . Their volcanic origin is shown by the presence of distinct flows on the surfaces of the younger regions of lunar . maria. , and by the textures of all mare basalt samples collected during NASA’s Apollo program.. Introduction to Petrology Francis 2014 Introductory Petrology EPSC-212B Don Francis: Room: F.D.A. 316, donald.francis@mcgill.ca Documents : www.eps.mcgill.ca /~c212 1. Igneous