An Introduction to Physical Science
14th Edition
ISBN: 9781305079137
Author: James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher: Cengage Learning
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Chapter 22, Problem 9MC
To determine
Igneous rocks are classified according to their combination of chemical composition along with.
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Suppose a team of scientists is studying the formation of an island chain generated by four extinct volcanoes. To determine when
each volcano became extinct, the scientists calculated the age of the youngest layer of igneous rocks on each island. After a
recent research trip, the identifying tag of a sample rock was lost. The scientists ask you to help identify the sample rock's
parent volcano.
The scientists give you some information.
1) The initial ratio of strontium-87 to strontium-86 in the rock was 0.7129.
2) The decay constant, 1, for rubidium-87 is 1.42 x 10-1!.
3) The current isotope concentrations in the rock are 8" Sr = 126 ppm, 8'Rb = 218 ppm, and 8ºSr = 175 ppm.
%3D
Use the isochron equation to calculate the approximate age of the mystery rock.
87.
Sto +
87
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[edr – 1]
86
Sr,
86
86
Where possible, retain at least four significant figures throughout your calculations, and round your final answer to the nearest
100 million years.
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t =
My qustion is in the picture.
You are dating rocks by their proportions of parent isotope potassium-40(half life 1.25 billion years) and daughter isotope argon-40.
Find the age for a rock that contains 3 times as much Argon-40 as potassium 40.
Needs Complete solution with 100 % accuracy.
Chapter 22 Solutions
An Introduction to Physical Science
Ch. 22.1 - What are the two major chemical elements that make...Ch. 22.1 - Without trying it, how would you know that a...Ch. 22.2 - Prob. 1PQCh. 22.2 - Prob. 2PQCh. 22.3 - How are igneous rocks formed?Ch. 22.3 - Prob. 2PQCh. 22.4 - Prob. 1PQCh. 22.4 - Prob. 2PQCh. 22.5 - Prob. 1PQCh. 22.5 - Prob. 2PQ
Ch. 22.6 - Prob. 1PQCh. 22.6 - Prob. 2PQCh. 22 - Prob. AMCh. 22 - KEY TERMS 1. mineral (22.1) 2. silicates 3. Mohs...Ch. 22 - Prob. CMCh. 22 - Prob. DMCh. 22 - Prob. EMCh. 22 - KEY TERMS 1. mineral (22.1) 2. silicates 3. Mohs...Ch. 22 - Prob. GMCh. 22 - Prob. HMCh. 22 - Prob. IMCh. 22 - Prob. JMCh. 22 - Prob. KMCh. 22 - Prob. LMCh. 22 - Prob. MMCh. 22 - Prob. NMCh. 22 - Prob. OMCh. 22 - Prob. PMCh. 22 - Prob. QMCh. 22 - Prob. RMCh. 22 - Prob. SMCh. 22 - Prob. TMCh. 22 - Prob. UMCh. 22 - Prob. VMCh. 22 - Prob. WMCh. 22 - Prob. XMCh. 22 - Prob. YMCh. 22 - Prob. 1MCCh. 22 - Density is related most closely with which...Ch. 22 - The simple, common method of classifying minerals...Ch. 22 - Prob. 4MCCh. 22 - Prob. 5MCCh. 22 - Prob. 6MCCh. 22 - Prob. 7MCCh. 22 - Prob. 8MCCh. 22 - Prob. 9MCCh. 22 - Prob. 10MCCh. 22 - Prob. 11MCCh. 22 - Prob. 12MCCh. 22 - Prob. 13MCCh. 22 - Prob. 14MCCh. 22 - How does sedimentary rock from the ocean floor...Ch. 22 - Prob. 16MCCh. 22 - What is the process of transforming sediment into...Ch. 22 - Prob. 18MCCh. 22 - Prob. 19MCCh. 22 - Which metamorphic change is brought about...Ch. 22 - Prob. 1FIBCh. 22 - Prob. 2FIBCh. 22 - Prob. 3FIBCh. 22 - Prob. 4FIBCh. 22 - Rocks solidified from molten material, either...Ch. 22 - Prob. 6FIBCh. 22 - Prob. 7FIBCh. 22 - Prob. 8FIBCh. 22 - Prob. 9FIBCh. 22 - Prob. 10FIBCh. 22 - Prob. 11FIBCh. 22 - Intrusive igneous rock formations that lie more or...Ch. 22 - Prob. 13FIBCh. 22 - Prob. 14FIBCh. 22 - Prob. 15FIBCh. 22 - Prob. 16FIBCh. 22 - Prob. 17FIBCh. 22 - The sedimentary rock called shale metamorphoses...Ch. 22 - Prob. 19FIBCh. 22 - Prob. 20FIBCh. 22 - What is a mineral, and what is the study of...Ch. 22 - Prob. 2SACh. 22 - Prob. 3SACh. 22 - Prob. 4SACh. 22 - What are the limits of the Mohs scale? Give an...Ch. 22 - Prob. 6SACh. 22 - Define the mineralogical terms luster and streak.Ch. 22 - Prob. 8SACh. 22 - Prob. 9SACh. 22 - Prob. 10SACh. 22 - Prob. 11SACh. 22 - Prob. 12SACh. 22 - Prob. 13SACh. 22 - Prob. 14SACh. 22 - Prob. 15SACh. 22 - Prob. 16SACh. 22 - Prob. 17SACh. 22 - Prob. 18SACh. 22 - Prob. 19SACh. 22 - Prob. 20SACh. 22 - Prob. 21SACh. 22 - Prob. 22SACh. 22 - Prob. 23SACh. 22 - Prob. 24SACh. 22 - Prob. 25SACh. 22 - Prob. 26SACh. 22 - Prob. 27SACh. 22 - Prob. 28SACh. 22 - Distinguish among contact, shear, and hydrothermal...Ch. 22 - Prob. 30SACh. 22 - Prob. 31SACh. 22 - Prob. 1VCCh. 22 - Prob. 1AYKCh. 22 - While in Hawaii, you want to visit Mauna Loa. Your...Ch. 22 - You are given five transparent objects: a calcite...Ch. 22 - In lab, your instructor hands you a steel-gray...Ch. 22 - Prob. 5AYKCh. 22 - Prob. 6AYKCh. 22 - Prob. 7AYK
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- What biologic event is used by geologists to separate the Tertiary period from the Quaternary period?arrow_forwardKEY TERMS 1. mineral (22.1) 2. silicates 3. Mohs scale 4. cleavage 5. rock (22.2) 6. igneous rocks 7. sedimentary rocks 8. metamorphic rocks 9. uniformitarianism 10. rock cycle 11. magma (22.3) 12. lava 13. plutons (22.4) 14. pyroclastics (tephra) 15. viscosity 16. caldera 17. sediment (22.5) 18. lithification 19. bedding 20. metamorphism (22.6) 21. contact metamorphism 22. shear metamorphism 23. regional metamorphism 24. foliation 25. hydrothermal metamorphism For each of the following items, fill in the number of the appropriate Key Term from the preceding list. b. _____ The internal property of a substance that offers resistance to flowarrow_forwardKEY TERMS 1. mineral (22.1) 2. silicates 3. Mohs scale 4. cleavage 5. rock (22.2) 6. igneous rocks 7. sedimentary rocks 8. metamorphic rocks 9. uniformitarianism 10. rock cycle 11. magma (22.3) 12. lava 13. plutons (22.4) 14. pyroclastics (tephra) 15. viscosity 16. caldera 17. sediment (22.5) 18. lithification 19. bedding 20. metamorphism (22.6) 21. contact metamorphism 22. shear metamorphism 23. regional metamorphism 24. foliation 25. hydrothermal metamorphism For each of the following items, fill in the number of the appropriate Key Term from the preceding list. f. _____ The basic understanding that ancient rocks were formed in the same way as modern rocksarrow_forward
- Distinguish between primordial lead and radiogenic lead.arrow_forwardRocks solidified from molten material, either below or above ground, are classified as ___ rocks. (22.2)arrow_forwardYou have been given a clear, well formed mineral crystal to identify. Suppose the crystal volume is 25 cm³ , and the mass is 71.0 g. Which of the following is the most likely composition of this sample? Quartz: density = 2650 kg/m³ Dolomite: density = 2840 kg/m³ Halite: density = 2170 kg/m³ Calcite: density = 2710 kg/m³ Aragonite: density = 2930 kg/m³arrow_forward
- My question is in the picture.arrow_forward1. Answer the following questions about porosity and permeability: a) Name three (3) parameters which are involved in calculation of porosity. b) Name four geological mechanisms affecting porosity values. c) Describe effect of sorting on porosity.arrow_forwardYou have been given a clear, well formed mineral crystal to identify. Suppose the crystal volume is 45 cm³ , and the mass is 97.65 g. Which of the following is the most likely composition of this sample? Quartz: density = 2650 kg/m3 Calcite: density = 2710 kg/m³ Aragonite: density = 2930 kg/m³ Halite: density = 2170 kg/m³ Dolomite: density = 2840 kg/m³arrow_forward
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