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IDENTIFYING ROCKS and MINERALS in the Lab

IDENTIFYING ROCKS and MINERALS in the Lab

IDENTIFYING ROCKS and MINERALS in the Lab. Identifying minerals in rocks. Three different techniques used Hand samples - Small Pieces of rock Naked eye Hand lens Microscopy – T hin Sections Chemical Analysis – thin sections or grains Electron Microscopy Electron Microprobe analysis.

By magda
(194 views)

Inosilicates (chain)

Inosilicates (chain)

Inosilicates (chain). Common Fe/Mg – bearing silicates Two common groups Pyroxenes: single chains Amphiboles: double chains Pyroxenes are common in MORB Amphiboles more common on continents because of weathering. Pyroxene group. General formula: XYZ 2 O 6 Z/O ratio = 1/3

By menora
(101 views)

Optical Mineralogy

Optical Mineralogy

Optical Mineralogy. WS 2008/2009. Theory Exam…. Thursday 18th December @ 13:30 90 minutes Answer 3 questions from 5 Total of 30% of the course. Last week…. BIAXIAL INDICATRIX EXTINCTION ANGLES. Biaxial indicatrix - summary. Extinction Angle. I = 153,0°. Extinction angle

By lakia
(193 views)

Optical Mineralogy

Optical Mineralogy

Optical Mineralogy. Lab 12 - Fall, 2012 Pleochroism, Interference Colors, and Extinction Angles. Pleochroism. The ability of a mineral to show different colors when viewed along differing crystallographic orientations. Pleochroism Video. Double click to play movie

By lillith-harrington
(206 views)

Optical Mineralogy

Optical Mineralogy

Optical Mineralogy. Lab 12 - Fall, 2014 Pleochroism, Interference Colors, and Extinction Angles. Pleochroism. The ability of a mineral to show different colors when viewed along differing crystallographic orientations. Pleochroism Video. Double click to play movie

By maris-wolfe
(134 views)


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Extinction Angle and Pleochroism

Extinction Angle and Pleochroism

Extinction Angle and Pleochroism. IN THIS LECTURE Extinction Angle Sign of Elongation Categories of Extinction Extinction in Uniaxial Minerals Extinction in Biaxial Minerals Pleochroism in Isotropic Minerals Pleochroism in Uniaxial Minerals Pleochroism in Biaxial Minerals.

By robertl (0 views)

Extinction

Extinction

Extinction. Basics of the Storyline. 2388 A.D. Sun is fixing to explode Specially trained military astronauts sent into space Missile filled with special chemical Missile hits a meteor Tear in the time/space continuum Shuttle gets sucked in. Storyline continued….

By reece (142 views)

Extinction

Extinction

Extinction. Storyline. 2388 A.D. Sun is about to explode Specially trained military astronauts sent into space Chemically engineered nuclear missiles Missile accidently hits an asteroid Tear in the time/space continuum Shuttle gets sucked in. Storyline continued….

By shona (139 views)

Extinction

Extinction

Extinction. How do animals “know” when a schedule is on extinction?. Remember. Operant conditioning extinction differs from classical conditioning extinction Responds decreases to near zero for both Operant conditioning: Transient increase Extinction induced aggression.

By evelyn (236 views)

Extinction

Extinction

Extinction. Overview. Extinctions are as important in the history of life as are the evolution of new species Explaining extinctions is just as challenging a scientific question as explaining the evolution of new species

By mateo (127 views)

Extinction

Extinction

Extinction. Loss of tissue-specific gene expression in somatic cell hybrids. 1966- Loss of cell pigment in somatic hybrids- Davidson and Yamamoto 1970s- Albumin extinction- time course/reversability- Petit and Weiss 1984- Identification of extinguisher locus TSE-1- Killary and Fournier

By ezhno (116 views)

Extinction

Extinction

Extinction. Extinction. The result of animals or plants being unable to adapt to changing conditions . is the process in which groups of organisms (species) die out. Mass Extinctions. rapid events during which a significant part of all life on Earth becomes extinct

By galvin-hatfield (147 views)

Extinction

Extinction

Extinction. Bruce Walsh jbwalsh@u.arizona.edu Dept. Ecology & Evolutionary Biology University of Arizona. Outline. Death & Destruction: Mass extinctions Extinction: Basic Ecology Theory Genetic Extinction Risks Tools for Assessing extinction risk Management strategies to mitigate risk.

By tavita (190 views)

Extinction

Extinction

Extinction. All Species. 99.9999% of all species that have ever lived are extinct Extinction has always been a major force in macroevolution.

By mimi (168 views)

Extinction

Extinction

Extinction. © 2002 by Prentice Hall, Inc. Upper Saddle River, NJ 07458. Extinction All individuals die without producing progeny Pseudoextinction Species disappear over evolutionary time Lineage transformed into separate lineages. Fossil Record Extinct species to living species – 1,000:1

By walter (110 views)