231.%20Earth%20Resources

231.%20Earth%20Resources - Earth Resources Lecture 23 Earth...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Earth Resources Lecture 23 Earth Resources Lecture 23: Earth resources Page 1 of 25 Lecture 23: Earth Resources Annual Needs for Nonmetals Lecture 23: Earth resources Page 2 of 25 Lecture 23: Earth Resources Annual Needs for Metals Mineral Economics Lecture 23: Earth resources Page 3 of 25 Lecture 23: Earth Resources Energy Sources Electricity Sources Lecture 23: Earth resources Page 4 of 25 Lecture 23: Earth Resources Energy Trends Coal Anaerobic Organic Deposit River swamps River Delta plain swamps Delta Rank (High — Low) Rank – Anthracite – Bituminous – Lignite Dominant Uses Power generation Power Chemicals Chemicals Plastics Plastics Steel Steel Lecture 23: Earth resources Page 5 of 25 Lecture 23: Earth Resources Environments of coal formation Value of Coal in the Ground Lecture 23: Earth resources Page 6 of 25 Lecture 23: Earth Resources Before Reclamation After Reclamation Strip mine, surface coal mine Lecture 23: Earth resources Page 7 of 25 Lecture 23: Earth Resources Room and Pillar Underground coal mine Hydrocarbons Petroleum (Oil) Natural Gas Lecture 23: Earth resources Page 8 of 25 Lecture 23: Earth Resources Oil & Gas Reservoirs Petroleum — Oil & Gas Lecture 23: Earth resources Page 9 of 25 Lecture 23: Earth Resources Energy Grid Lecture 23: Earth resources Page 10 of 25 Lecture 23: Earth Resources Existing US Energy Resources Note that Coal is the ONLY energy resource that has NOT passed a peak! Clean Coal Technology Metals Iron Iron Copper Copper Aluminum Aluminum Tin Tin Lead Lead Zinc Zinc Mercury Mercury Gold Gold Silver Silver Mineral Origins Mineral Metamorphic alteration Metamorphic Igneous deposits Igneous Placer deposits Placer Lecture 23: Earth resources Page 11 of 25 Lecture 23: Earth Resources Mining History Before Reclamation Ghost Towns Lecture 23: Earth resources Page 12 of 25 Lecture 23: Earth Resources Surface Mine Surface Mining Equipment 140 ton Haul Truck Lecture 23: Earth resources Page 13 of 25 Lecture 23: Earth Resources Dredge Mining Placer Deposits Sand & Gravel Lecture 23: Earth resources Page 14 of 25 Lecture 23: Earth Resources Underground Mine Gold Mine in South Africa Lecture 23: Earth resources Page 15 of 25 Lecture 23: Earth Resources Block Caving Method Lecture 23: Earth resources Page 16 of 25 Lecture 23: Earth Resources Iron Hematite — Fe2O3 Hematite Magnetite Magnetite Limonite Limonite Sedimentary deposits Sedimentary Magmatic segregation Magmatic Weathering product Weathering Dominant Uses Steel and Cast Iron Steel Medical Medical Limestone/Lime Calcite — CaCO3 Calcite Dolomite Dolomite Limestone (clastic) Limestone Sedimentary Environments Sedimentary Dominant Uses Construction aggregate Construction Steel production Steel Water & Waste Water treatment Water Flue-gas desulfurization Flue Aquatic environmental enhancement Aquatic Agricultural soil treatment Agricultural Lecture 23: Earth resources Page 17 of 25 Lecture 23: Earth Resources Limestone Quarry Salt Halite, NaCl Halite, Evaporite Deposits Evaporite Bedded salt deposits Bedded Sabkha Sabkha Playa lakes Playa Salt domes Salt Dominant Uses Road deicing Road Environmental impact Environmental Food processing Food “Sitting below the salt” Petroleum storage and nuclear waste disposal Petroleum Lecture 23: Earth resources Page 18 of 25 Lecture 23: Earth Resources Sulfur Native Sulfur, S Native Marcasite, FeS2 Marcasite, Pyrite, FeS2 Pyrite, Recovered Sulfur – Oil/gas (sour gas, H2S) Recovered Sedimentary Deposits Sedimentary Dominant Uses Dominant Chemicals Chemicals Medical Medical Rubber Rubber Industrial Industrial Potash Sylvite, KCl Sylvite, Carnellite, KMgCl3 6H2O Carnellite, 6H Kainite, KMg[ClSO4 3H2O Kainite, 3H Evaporite Deposits Evaporite Associated with halite Associated “Bitter Salts” Dominant Uses Agricultural fertilizer (95%) Agricultural Lecture 23: Earth resources Page 19 of 25 Lecture 23: Earth Resources Phosphate Apitite, Ca5[Fl(PO4)3] Apitite, Skeletal materials Skeletal Guano Guano Sedimentary Environments Sedimentary Dominant Uses Agricultural fertilizer Agricultural Environmental impacts – eutrophication = Environmental algae blooms Fluorite Fluorite, CaF2 (Fluorspar) Fluorite, Low/Medium Temperature Hydrothermal Low/Medium environments Dominant Uses Hydrofluoric acid HF Hydrofluoric Uranium enrichment Uranium Aluminum production Aluminum Chlorofluorcarbons (CFCs) Chlorofluorcarbons Refrigeration Refrigeration Propellants Propellants Flux in steel Flux Glass and Ceramic production Glass Lecture 23: Earth resources Page 20 of 25 Lecture 23: Earth Resources Iodine Brines and evaporites Brines Dominant Uses Food additive Food Silver iodide, photographic film Silver Germicides and Pharmaceuticals Germicides Wood stabilizers Wood Sodium Sulfate Brines and evaporites Brines Production wastes Production Salt precipitation Na-CO3-Cl waters Salt Dominant Uses Brown paper Brown Soap & detergents Soap Glass Glass Lecture 23: Earth resources Page 21 of 25 Lecture 23: Earth Resources Bromine Native Bromide, Br Native Dissolved in sea water Dissolved Dominant Uses Gasoline additive to reduce lead fouling Gasoline Reactive Concrete Aggregates Lecture 23: Earth resources Page 22 of 25 Lecture 23: Earth Resources Clays Atomic structure of the components making up clay minerals Clay Mineralogy Lecture 23: Earth resources Page 23 of 25 Lecture 23: Earth Resources Lecture 23: Earth resources Page 24 of 25 Lecture 23: Earth Resources Break Lecture 23: Earth resources Page 25 of 25 Lecture 23: Earth Resources ...
View Full Document

Ask a homework question - tutors are online