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relationships is illustrated by the cross sections below, which show two igneous dikes and a mass of granite. Which field relationship is logically not possible? (A) Granite (B) Granite THETFO (C) Granite (D)

relationships is illustrated by the cross sections below, which show two igneous dikes and a mass of granite. Which field relationship is logically not possible? (A) Granite (B) Granite THETFO (C) Granite (D)

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
Problem 1LR
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42. The law of crosscutting relationships is illustrated by the cross sections below, which show two igneous dikes and a mass of granite. Which field relationship is logically not possible? W07 (A) Granite Law or Principle (A) cross-cutting relationships 780 (B) original horizontality (C) lateral continuity (C) // Granite Granite Questions 43 and 44 refer to the cross section below. The black band represents a dike of basaltic composition. (D) superposition (B) 43. Which stratigraphic law or principle correctly interprets the relationships in the cross section? Interpretation dike intruded before the canyon was eroded; dike was once a sill but was later tilted; dike can be correlated with layer B; dike was intruded before layer B was deposited. (D) A (B) identification of an index fossil in layer B; (C) isotopic age dating of zircon crystals in layer C; (D) isotopic age dating of quartz crystals in the basaltic dike. A A A C B 44. Which one of the following methods would yield the best age for sedimentary layer B? (A) identification of an index mineral in layer B;
Transcribed Image Text:42. The law of crosscutting relationships is illustrated by the cross sections below, which show two igneous dikes and a mass of granite. Which field relationship is logically not possible? W07 (A) Granite Law or Principle (A) cross-cutting relationships 780 (B) original horizontality (C) lateral continuity (C) // Granite Granite Questions 43 and 44 refer to the cross section below. The black band represents a dike of basaltic composition. (D) superposition (B) 43. Which stratigraphic law or principle correctly interprets the relationships in the cross section? Interpretation dike intruded before the canyon was eroded; dike was once a sill but was later tilted; dike can be correlated with layer B; dike was intruded before layer B was deposited. (D) A (B) identification of an index fossil in layer B; (C) isotopic age dating of zircon crystals in layer C; (D) isotopic age dating of quartz crystals in the basaltic dike. A A A C B 44. Which one of the following methods would yield the best age for sedimentary layer B? (A) identification of an index mineral in layer B;
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