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QUESTION 23 1. Part IV. Questions. Question 4. Why are silicate minerals not mined for their ore (e.g., Fayalite has more iron than Hematite, yet hematite is mined for iron ore) a. Silicates minerals, like fayalite, are hard and have strong bonds and it?s more difficult to extract ore from them. b. Silicates minerals, like fayalite, are soft and have weak bonds and it?s more difficult to extract ore from them. QUESTION 24 1. Part IV. Questions. Question 5. What is an ore deposit? a.concentrations of valuable rocks b. special kinds of igneous rocks c. valuable minerals in rocks_ d. special kinds of sedim Font y rocks QUESTION 25 1. Part IV. Questions. Question 6. What are some reasons is it problematic that rare earth elements (REE) are so extensively being used in cell phones and electronics? a. They are non-renewable b. Extraction of REE is environmentally damaging as the concentration is low so a lot of rock must be removed from the Earth during REE mining. c. Most of the world?s population has a phone that contains REE. Phones are replaced on a regular basis (so recycle your old cell phone) d. All of the above LECTION

QUESTION 23 1. Part IV. Questions. Question 4. Why are silicate minerals not mined for their ore (e.g., Fayalite has more iron than Hematite, yet hematite is mined for iron ore) a. Silicates minerals, like fayalite, are hard and have strong bonds and it?s more difficult to extract ore from them. b. Silicates minerals, like fayalite, are soft and have weak bonds and it?s more difficult to extract ore from them. QUESTION 24 1. Part IV. Questions. Question 5. What is an ore deposit? a.concentrations of valuable rocks b. special kinds of igneous rocks c. valuable minerals in rocks_ d. special kinds of sedim Font y rocks QUESTION 25 1. Part IV. Questions. Question 6. What are some reasons is it problematic that rare earth elements (REE) are so extensively being used in cell phones and electronics? a. They are non-renewable b. Extraction of REE is environmentally damaging as the concentration is low so a lot of rock must be removed from the Earth during REE mining. c. Most of the world?s population has a phone that contains REE. Phones are replaced on a regular basis (so recycle your old cell phone) d. All of the above LECTION

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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FORMATION OF MINERAL RESOURCES Major Geologic Millions Periods Intervals of years (approx.) Recent and Pleistocene 1.6 CENOZOIC Pliocene 5.3 Miocene MESOZOIC 23.7 Oligocene 36.6 Eocene 57.8 PALEOZOIC 500 Paleocene 66.4 1000 Cretaceous 144 PROTEROZOIC 1500 Underline (U) Jurassic 208 -2000 Triassic 245 Permian 286 Carboniferous 360 Devonian 408 Silurian 438 Ordovician Cambrian Zambian Copper Belt Sullivan, B.C. (Pb-Zn) Broken Hill, N.S.W. (Pb-Zn) Sudbury, Ont., (NI) Lake Superior type banded Iron formations Great Dike,p 2500 Zimbabwe 3000 3500 4000 4500 Witwatersrand, gold deposits Earliest known volcanogenic massive sulfide deposits 2304 2800 ARCHEAN Oldest known rocks Formation of Earth's crust, about 4600 million years ago 505 570 New Caledonia -(NI) Climax, Colo. (Mo) Bingham, UT (Cu) Green River Oll Shales Chiatura and Nikopol, USSR (Mn) Major Bauxite (Al) Deposits Major Porphyry Deposits Carlsbad (USA) and Stassfurt (Germany) potash Kupferschiefer Earllest economic coal measures Elk Point-Williston Basin (Potash) Emergence of land plants 14 mi Focu
Transcribed Image Text:FORMATION OF MINERAL RESOURCES Major Geologic Millions Periods Intervals of years (approx.) Recent and Pleistocene 1.6 CENOZOIC Pliocene 5.3 Miocene MESOZOIC 23.7 Oligocene 36.6 Eocene 57.8 PALEOZOIC 500 Paleocene 66.4 1000 Cretaceous 144 PROTEROZOIC 1500 Underline (U) Jurassic 208 -2000 Triassic 245 Permian 286 Carboniferous 360 Devonian 408 Silurian 438 Ordovician Cambrian Zambian Copper Belt Sullivan, B.C. (Pb-Zn) Broken Hill, N.S.W. (Pb-Zn) Sudbury, Ont., (NI) Lake Superior type banded Iron formations Great Dike,p 2500 Zimbabwe 3000 3500 4000 4500 Witwatersrand, gold deposits Earliest known volcanogenic massive sulfide deposits 2304 2800 ARCHEAN Oldest known rocks Formation of Earth's crust, about 4600 million years ago 505 570 New Caledonia -(NI) Climax, Colo. (Mo) Bingham, UT (Cu) Green River Oll Shales Chiatura and Nikopol, USSR (Mn) Major Bauxite (Al) Deposits Major Porphyry Deposits Carlsbad (USA) and Stassfurt (Germany) potash Kupferschiefer Earllest economic coal measures Elk Point-Williston Basin (Potash) Emergence of land plants 14 mi Focu
Aav Po DAV ed States) 80 F3 E ALT AaBbCcDdEe AaBbCcDdEe AaBbCcDcAaBbCcDdEe AaBb Normal No Spacing Heading 1 Heading 2 Head V QUESTION 23 1. Part IV. Questions. Question 4. Why are silicate minerals not mined for their ore (e.g., Fayalite has more iron than Hematite, yet hematite is mined for iron ore) a. Silicates minerals, like fayalite, are hard and have strong bonds and it?s more difficult to extract ore from them. b. Silicates minerals, like fayalite, are soft and have weak bonds and it?s more difficult to extract ore from them. QUESTION 24 1. Part IV. Questions. Question 5. What is an ore deposit? a.concentrations of valuable rocks b. special kinds of igneous rocks c. valuable minerals in rocks_ d. special kinds of sedim Font y rocks QUESTION 25 1. Part IV. Questions. Question 6. What are some reasons is it problematic that rare earth elements (REE) are so extensively being used in cell phones and electronics? a. They are non-renewable b. Extraction of REE is environmentally damaging as the concentration is low so a lot of rock must be removed from the Earth during REE mining. c. Most of the world?s population has a phone that contains REE. Phones are replaced on a regular basis (so recycle your old cell phone) d. All of the above UESTION 19 1. Part III. Earth Materials and Everyday Life | What?s inside my cellphone? Question 14. How long did it take the Chiatura, and Nikopol (Russia) manganese deposits to form? a. 2300-2800 Ma or 500 million years b. 1800-2500 Ma or 700 million years c. 370-380 Ma or 10 million years d. 142-144 Ma or 2 million years e. 0-142 Ma or 142 million years A F5 三三 = 000 000 F4 F6 ◄◄ F7 F8 DD F9 Focus E FL
Transcribed Image Text:Aav Po DAV ed States) 80 F3 E ALT AaBbCcDdEe AaBbCcDdEe AaBbCcDcAaBbCcDdEe AaBb Normal No Spacing Heading 1 Heading 2 Head V QUESTION 23 1. Part IV. Questions. Question 4. Why are silicate minerals not mined for their ore (e.g., Fayalite has more iron than Hematite, yet hematite is mined for iron ore) a. Silicates minerals, like fayalite, are hard and have strong bonds and it?s more difficult to extract ore from them. b. Silicates minerals, like fayalite, are soft and have weak bonds and it?s more difficult to extract ore from them. QUESTION 24 1. Part IV. Questions. Question 5. What is an ore deposit? a.concentrations of valuable rocks b. special kinds of igneous rocks c. valuable minerals in rocks_ d. special kinds of sedim Font y rocks QUESTION 25 1. Part IV. Questions. Question 6. What are some reasons is it problematic that rare earth elements (REE) are so extensively being used in cell phones and electronics? a. They are non-renewable b. Extraction of REE is environmentally damaging as the concentration is low so a lot of rock must be removed from the Earth during REE mining. c. Most of the world?s population has a phone that contains REE. Phones are replaced on a regular basis (so recycle your old cell phone) d. All of the above UESTION 19 1. Part III. Earth Materials and Everyday Life | What?s inside my cellphone? Question 14. How long did it take the Chiatura, and Nikopol (Russia) manganese deposits to form? a. 2300-2800 Ma or 500 million years b. 1800-2500 Ma or 700 million years c. 370-380 Ma or 10 million years d. 142-144 Ma or 2 million years e. 0-142 Ma or 142 million years A F5 三三 = 000 000 F4 F6 ◄◄ F7 F8 DD F9 Focus E FL
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