The book Studies in Minor Folds was written by author Charles Elijah Decker Here you can read free online of Studies in Minor Folds book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Studies in Minor Folds a good or bad book?
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B. Woodworth, N. Y. State Mns. Bull. 107 (1907), p. 21.
2 P. F. Schneider, Amer. Jour. Sci. , 4th Ser. , XX (1905), 316, 311.
3 1. C. White, Second Geol. Surv. Pa. , Kept. Q< (1881), pp. 119-20; and J. Hall, Nat. Hist. N. Y. 4th Dist. , Part 4 (1843), P- 2 38.
4 J. M. Clarke, N. Y. State Mus. Butt. 69 (1902), p. 853.
42 STUDIES IN MINOR FOLDS by thin layers of shale. The loose top of the fold is thrust up into the glacial till.
One of the very small transverse folds is shown in Figure 28. It has a width of about 50 feet, and is of the gentle, open type. It occurs FIG. 27. Anticlinal fold with uneroded crest, 3 miles east of Erie, Pa.
FIG. 28. Small anticline along Elk Creek f mile west of Miles Grove, Pa.
in the flaggy sandstones called Portage, in the east bank of Elk Creek, about three-fourths of a mile west of Miles Grove, Pennsylvania. " Thin sandstone beds and sandy shales are interbedded with the thicker beds of sandstone. This small fold with its axis N. 30W. Seems but a small STUDIES IN MINOR FOLDS 43 buckle on a much larger anticline to the southeast.
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