Chapter 11: Geology Minerals and Mining

Coltan Tantalite found with another mineral (columbite), used in cell phones Geology The study of earth’s history through its rocks, soils, and sediments – In the LITHOSPHERE. Includes the physical features and characteristics, and physical processes Rock Cycle Sequence of events in which rocks are formed, destroyed, altered, and reformed Read more…

Geology Ch. 5- Minerals

ionic bond oppositely charged ions attract to produce a neutral chemical compound- weak (velcro) covalent bond sharing of electrons to achieve a stable atomic structure- strong (rope) metallic bond electrons are shared between all atoms van der waals bond opposite charges occuring on opposite sides of a sheet- weak (usually Read more…

Geology Chapter 3- Minerals

What is the definition of minerals? Naturally occurring, Inorganic, Solid, Ordered internal molecular structure, Definite chemical composition What is the definition of a rock? A solid aggregate or mass of minerals What is the chemistry of minerals? Atoms, Charged atoms (ions), and Isotopes What consist of an atom? Protons, neutrons, Read more…

Geology minerals

finger nail hardness 2.5 steel nail hardness 5.0 glass plate hardness 5.5 Cleavage the tendency of a mineral to split consistently along certain planes where the atoms are weakly bonded. Fracture – no definite planes of weakness in the bonding of the atoms so the mineral just breaks along irregular Read more…

eggs mini test 3(geology, minerals, & mining)

geology study of earths physical features, processes, and history why study geology? -controls distribution of mineral resources -controls location of many geological hazards earths internal layering -CRUST:thin outer layer rose to top -fairly dense rock stayed in the middle:MANTLE -heavy metals sank to the CORE(iron and nickel) true layers were Read more…

Geology test (Chapter 4-6)

Igneous Rock formation Solidification of melt- heat prevents them from completely forming- 650- 1200 Extrusive Above earths surface heat is lost rapidly Intrusive Melt infuses already formed rocks Volatiles Interfere atomic bonds Flux melting Melting with volatiles Magma groups Felsic, intermediate, mafic, ultramafic Aphanitic Small minerals- extrusive Phaneritic Easily visible Read more…

Mineral Geology

Identify the two groups of minerals Silicates- Contains silicon and oxygen – 90% of earth’s crust – Combine with elements such as Al, Fe, Mg, and K Non-Silicates- Do not contain combination of Si and O – May contain C, O, F, S – Classes of Non-Silicates – Native elements: Read more…

Geology Test #2 Study Guide

True or False: We are living during the third largest extinction event in geologic history? True A pair of metamorphic rocks with biochemical origins are: Marble and Anthracite Detrital sedimentary rocks are classified (named) based on the: Grain sizes of the detrial particles. The appearance and rapid proliferation of hard Read more…

Geology Rock & Mineral Test

Define a Mineral A natural solid with a definite chemical composition and a characteristic set of physical properties Name 4 Physical Properties used to identify minerals…Think back to our labs Streak, Color, Luster, Cleavage and Fracture Name 2 Special properties of certain minerals? Example: double refraction Fluorescence, Radioactivity, Magnetism Name Read more…

Geology/Minerals test=Menc

Deposition when rock pieces settle out of wind and water Streak the color of mineral’s powder lithosphere upper most part of the earth magma melted, molten rock lava liquid rock that reaches the Earth’s surface Inner core solid center of the earth, contains iron and nickel’ Fe, Ni outer core Read more…

Geology Mineral I.D. Quiz

Mineral Naturally occurring, crystalline, inorganic, solid, definite composition crystalline atoms form a regular internal crystal structure Crystal solid form with smooth planes outwardly showing internal structure chemical composition and crystal structure the 2 fundamental characteristics of mineral identification chemical composition fundamental characteristic of mineral i.d., requires skill, lab equipment, and Read more…

Geology- Minerals

mineral a substance that forms in nature, is a solid, has a definite chemical makeup (each mineral is made up of the same amount and same type of elements), has a crystal structure, and is inorganic (not of living origin) density the amount of mass in a given volume of Read more…

Geology and Minerals

geology a science that deals with the history of the earth as recorded in rocks core the central part of the Earth below the mantle mantle the layer of the earth between the crust and the core continental crust The portion of the earth’s crust that primarily contains granite, is Read more…

Geology Chapter 5: Minerals

What was the Zabagard? Above red sea, no plants, few shrubs, dug for periodite gems to wear Define: Mineralologists How many new minerals per year? – People who specialize in the study of minerals – 50 – 100 What did Nicholas Stenno Discover? Geometric characteristics What big discovery occured in Read more…

Chapter 11 – Geology, minerals and mining

Tantalum metal in high demand used in high tech products like cellphones and computers geology the study of the earth’s physical features processes and history core consists mostly of iron inner core – solid outer core – liquid mantle dense elastic rock aesthenosphere soft rock melted in some areas lithosphere Read more…