Exercise B. Below are Gamma ray and Neutron log curves depicting a cyclic sequence of shales and limestones (Fig. 4). Use rectangles with different colors (gray or black for shale) to denote boundaries of the major cycles and indicate the shaly horizons and limestones with different patterns. Also note any trends in the data like those in Fig. 3 that point toward different lithologic relationships. Indicate coarsening upward packages with an arrow with a solid line and any fining upward packages with an arrow and a dashed line. 4000 4100 4200- 4300 Gamma Ray (API units) م السما للسالسا اله Neutron 100600 (API Neutron units) 1600 yomwww Figure 4. Provide an interpretation of the stratigraphy illustrated by the log based on trends illustrated in Fig. 3.

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
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