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Sedimentary Structures in the Keuper Marl (Upper Triassic)

Published online by Cambridge University Press:  01 May 2009

George DeVries Klein
George DeVries Klein
Affiliation:
Geology Department, University of Pittsburgh, Pittsburgh 13, U.S.A.
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Abstract

Combinations of sedimentary structures in the lacustrine Keuper Marl are segregated bathymetrically. Beds deposited below lacustrine wave base are characterized by even bedding, rhythmic lamination, disturbed stratification, graded bedding, load casts, “pull-apart” structures, and oscillation ripple marks. Lacustrine beds deposited above wave base contain even bedding, rhythmic lamination, oscillation and interference ripple marks, current lineation, rib-and-furrow structure, groove casts, mudcracks, and raindrop imprints.

A marine unit in the Keuper Marl is characterized by even bedding, flat-topped oscillation ripple marks, and air-heave structures.

Comparison with sedimentary structures of other known lacustrine deposits suggests that the combination of structures in the non-marine Keuper Marl is diagnostic of lacustrine deposits. Recognition of such combinations of sedimentary structures should aid in interpreting the origin of continental sequences.

Type
Articles
Information
Geological Magazine , Volume 99 , Issue 2 , April 1962 , pp. 137 - 144
Copyright
Copyright © Cambridge University Press 1962

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References

REFERENCES

Blissenbach, E., 1954. Geology of Alluvial Fans in Semi-arid Regions. Bull. geol. Soc. Amer., 65, 175–189.CrossRefGoogle Scholar
Bosworth, T. O., 1912. The Keuper Marl around Charnwood, Leicester.CrossRefGoogle Scholar
Bradley, W. H., 1931. Origin and Microfossils of the Oil Shale of the Green River Formation of Colorado and Utah. Prof. Pap. U.S. geol. Surv., 168.Google Scholar
Cummins, W. A., 1958. Some Sedimentary Structures from the Lower Keuper Sandstones. Proc. Lpool. Manchr. geol. Soc., 2, 37–43.CrossRefGoogle Scholar
Dunbar, C. O., and Rodgers, J., 1957. Principles of Stratigraphy, New York.Google Scholar
Fairbridge, R. W., 1947. Possible Causes of Intraformational Disturbances in the Carboniferous Varve Rocks of Australia. J. and Proc. Roy. Soc. N.S.W., 81, 99–121.Google Scholar
Feth, J. H., 1955. Sedimentary Features in Lake Bonneville Group in the East Shore Area, near Ogden Utah. Guidebook to Geology of Utah, 10, 45–69.Google Scholar
Klein, G. deV., 1959. Sedimentary Structures in the Blomidon Formation, a Triassic lake deposit, Nova Scotia (Abs.). Bull. geol. Soc. Amer., 70, 1630.Google Scholar
Klein, G. dev., 1960. Stratigraphy, Sedimentary Petrology and Structure of Triassic Sedimentary Rocks, Maritime Provinces, Canada. Unpub. Ph.D. dissertation, Yale University.Google Scholar
Kuenen, Ph. H., 1957. Sole Markings of Graded Greywacke Beds. J. Geol., 65, 231–258.CrossRefGoogle Scholar
Lomas, J., 1907. Desert Conditions and the Origin of the British Triassic. Proc. Lpool Geol. Soc., 10, 172–197.Google Scholar
Matley, C. A., 1912. The Upper Keuper (Arden) Sandstone Group of Warwickshire. Quart. J. geol. Soc. Lond., 67, 252–280.CrossRefGoogle Scholar
McKee, E. D., 1957. Primary structures in Recent Sediments. Bull. Amer. Ass. Petrol. Geol., 41, 1704–1747.Google Scholar
Miskin, F. F., 1919. The Triassic Rocks of South Glamorgan. Trans. Cardiff Nat. Soc., 52, 17–25.Google Scholar
Natland, M. L., and Ph Kuenen, H., 1951. Sedimentary History of the Ventura Basin, California, and the Action of Turbidity Currents. In Turbidity Currents and the Transportation of Coarse Sediment to Deep Water—A Symposium. Soc. Econ. Paleont., Min. Spec. Spec. Publ., 2, 76–10.CrossRefGoogle Scholar
Neaverson, E., 1955. Stratigraphic Paleontology, Oxford.Google Scholar
Pepper, J. F., Dewitt, W., and Demarest, D. F., 1954. Geology of the Bedford Shale and Berea Sandstone in the Appalachian Basin. Prof. Pap. U.S. geol. Surv., 259.Google Scholar
Pettijohn, F. J., 1957. Sedimentary Rocks, 2nd ed. New York.Google Scholar
Rolfe, W. D. I., 1960. A Fine Air-heave Structure from the Old Red Sandstone of Lanarkshire, Scotland. Geol. Mag., 97, 133–6.CrossRefGoogle Scholar
Rose, G. N., and Kent, P. E., 1955. A Lingula-bed in the Keuper of Notting-hamshire. ibid., 92, 476–480.Google Scholar
Russell, I. C., 1885. Geological History of Lake Lahontan, a Quarternary Lake of Northwestern Nevada. U.S. Geol. Surv., Mon., 11.Google Scholar
Smith, A. J., 1959. Structures in Stratified Late Glacial Clays of Windermere, England. J. sediment. Petrol., 29, 447–453.Google Scholar
Stewart, H. B. Jr, 1956. Contorted Sediments in Modern Coastal Lagoon Explained by Laboratory Experiments. Bull. Amer. Ass. Petrol. Geol., 40, 153–161.Google Scholar
Stokes, W. L., 1947. Primary Lineation on Fluvial Sandstone, a criterion of current direction. J. Geol., 55, 52–5.CrossRefGoogle Scholar
Straaten, L. M. J. U. van, 1952. Biogene Textures and the Formation of Shell Beds in the Dutch Wadden Sea. Proc. Kon. Ned. Akad. v. Wetensch. Amsterdam, Ser. B., 55, 500–516.Google Scholar
Straaten, L. M. J. U. van, 1959. Minor Structures of Some Recent Littoral and Neritic Sediments. Geol. en Mijnb., 21, 197–216.Google Scholar
Sundborg, A., 1956. The River Klavalren; a Study of Fluvial Processes. Geogr. Ann., 38, 127–316.Google Scholar
Tanner, W. F., 1958. An Occurrence of Flat-topped Ripple Marks. J. sediment. Petrol., 28, 95–6.CrossRefGoogle Scholar
Trowbridge, A. C., 1911. The Terrestrial Deposits of Owens Valley, California. J. Geol., 19, 709–747.CrossRefGoogle Scholar