DEPOSITIONAL CONDITIONS OF PLEISTOCENE ALLUVIAL FAN DEPOSITES IN THE GÜZELYURT BASIN (TURKISH REPUBLIC OF THE NORTHERN CYPRUS)
Abstract
The alluvial fan deposites are
widely distributed in the Güzelyurt basin. In the southern pan of the Güzelyurt
basin, these deposites unconformably overlie the units of Middle-Late
Cretaceous Troodos massive, Late Miocene-Early Pliocene Myrtou Marls and Late
Pliocene Athalassa formation. Towards the north, they are unconformably
overlain by recent alluvium deposits. The fan deposites are deposited by
high-viscosity debris flows and braided streams dominated by sheet-flood
events. Six different lithofacies are recognized; (A) Clast supported
conglomerates are hyper-concentrated debris flow deposits, (B) Matrix supported
conglomerates represent mud flow deposits, (C) Thick bedded sandy conglomerates
represent sheet-flood and braided-stream deposits, (D) Clast supported, thick
bedded conglomerates with interbedded sandstones are suggested as a
braided-stream deposits, (E) Thirs bedded sandstones and conglomerates
represent sheet-flood deposits by very shallow migrating channels on a broad,
planar surface during upper-flow regime, (F) Caliche bearing mudstones
represent distal sheet-flood deposits in semiarid dimates At the end of the
Late Pliocene, due to the rapidly uplifting of the Troodos massive, the
coarse-very coarse pebbles of alluvial sediments are deposited as the inner fan
deposites over the Pliocene sediments. As from Middle Pleistocene, the other
alluvial fan fades are deposited together with relatively the coarse facies.
The depositional conditions and the caliche concentrations in the alluvial fan
deposites indicate a semi-arid climate.
Keywords
References
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- Bull, W.B., 1972, Recognation of alluvial-fan deposites in the Stratigraphie record, in: Rigby, J.K. and Ham¬blin, W.K., eds.. Recognation of ancient Sedimen¬tary environments: Soc. Econ. Paleontologists Mineralogists Spec. Pub., 16,63-83.
- D.S.I., 1976, Güzelyurt (Omorfo) bölgesi hidrojeolojik etüd raporu: Devlet Su işleri Gen. Mud. Arşivi, 111 s. (yayımlanmamış), Ankara.
- Enos, P., 1977, Flow regimes in debris flows: Sedimentol- ogy, 24,133-142.
- Fisher, R.V., 1971, Features of Coarse grained high- concentration fluids and their deposites: Jour. Sed. Petrology, 41,916-927.
- Gloppen, T.G. ve Steel, R.J., 1981, The deposits, inter¬nal structure and geometry of six alluvial fan-fan delta bodies (Devonian, Non»ay)-a study in the significance of bedding sequences in oonglomer- ates; In: Ethridge F.G. and Flores, R.M., eds., Recent and ancient nonmarine depositional envi¬ronments, models for exploration: Soc. Econ. Pa¬leontologists Mineralogists Spec. Pub., 3i, 49¬69.
- Gokcekus, H. ve Olgun. E., 1993, Cenozoic stratigraphy of the Guzelyurt Basin, Turkish Republic of Nortti- ern Cyprus: TAPG Bulletin, 5,1,56-68.
- Henson. F.R.S.; Browne, R.V. ve McGinty, J., 1949, A synopsis of the stratigraphy and geological history of Cyprus: Ouart. Journ. Geol. Soc., CV, 1-41.
- Ingham, F.T., 1959, An account of the mineral resourees of the Xeros-Troodos area: Cyprus Geol. Survey Dept., Mem. 1.137-154.
- Leeder, M.R., 1975, Pedogenic carbonates and flood- Sediment accretion rates: A quantitative model tor alluvial arid zone lithofacies: Geol. Mag., 112, 257-270.
- Miall, A.D., 1970, Devonian alluvial fans, prince of Wales island: Arctic Canada. Jour. Sed. Petrology, 40, 556-571.
- Rust, B.R., 1978, Depositional models for braided alluvi¬um: in: Miall, AD., eds., Fluvial sedimentology; Canadian Soc. Petroleum Geologists Mem., 5, 605-626.
- Smith, N.D., 1974, Sedimentology and bar formation in the Upper Kicking Horse River, a braided outwash stream: Jour. Geology, 82, 205-225.
- Steel. R.J.. 1974, Comstone (fossil caliche)-its origin, Stratigraphie and sedimentological importance in the New Red Sandstone, Western Scotland: Jour. Geology, 82, 351-369.
- UNDP-, 1970, Survey of groundwater and mineral re¬sources of Cyprus, A technical report prepared for the Goverment of Cyprus by United Nations, 233 P-
Abstract
References
- Allen, J.R.L., 1974, Studies in fluvatile sedimentation: im¬plications of pedogenic Carbonate units, Lower Old Red Sandstone, Anglowelsh outcrop: Geol. Jour., S, 181-208.
- Bull, W.B., 1972, Recognation of alluvial-fan deposites in the Stratigraphie record, in: Rigby, J.K. and Ham¬blin, W.K., eds.. Recognation of ancient Sedimen¬tary environments: Soc. Econ. Paleontologists Mineralogists Spec. Pub., 16,63-83.
- D.S.I., 1976, Güzelyurt (Omorfo) bölgesi hidrojeolojik etüd raporu: Devlet Su işleri Gen. Mud. Arşivi, 111 s. (yayımlanmamış), Ankara.
- Enos, P., 1977, Flow regimes in debris flows: Sedimentol- ogy, 24,133-142.
- Fisher, R.V., 1971, Features of Coarse grained high- concentration fluids and their deposites: Jour. Sed. Petrology, 41,916-927.
- Gloppen, T.G. ve Steel, R.J., 1981, The deposits, inter¬nal structure and geometry of six alluvial fan-fan delta bodies (Devonian, Non»ay)-a study in the significance of bedding sequences in oonglomer- ates; In: Ethridge F.G. and Flores, R.M., eds., Recent and ancient nonmarine depositional envi¬ronments, models for exploration: Soc. Econ. Pa¬leontologists Mineralogists Spec. Pub., 3i, 49¬69.
- Gokcekus, H. ve Olgun. E., 1993, Cenozoic stratigraphy of the Guzelyurt Basin, Turkish Republic of Nortti- ern Cyprus: TAPG Bulletin, 5,1,56-68.
- Henson. F.R.S.; Browne, R.V. ve McGinty, J., 1949, A synopsis of the stratigraphy and geological history of Cyprus: Ouart. Journ. Geol. Soc., CV, 1-41.
- Ingham, F.T., 1959, An account of the mineral resourees of the Xeros-Troodos area: Cyprus Geol. Survey Dept., Mem. 1.137-154.
- Leeder, M.R., 1975, Pedogenic carbonates and flood- Sediment accretion rates: A quantitative model tor alluvial arid zone lithofacies: Geol. Mag., 112, 257-270.
- Miall, A.D., 1970, Devonian alluvial fans, prince of Wales island: Arctic Canada. Jour. Sed. Petrology, 40, 556-571.
- Rust, B.R., 1978, Depositional models for braided alluvi¬um: in: Miall, AD., eds., Fluvial sedimentology; Canadian Soc. Petroleum Geologists Mem., 5, 605-626.
- Smith, N.D., 1974, Sedimentology and bar formation in the Upper Kicking Horse River, a braided outwash stream: Jour. Geology, 82, 205-225.
- Steel. R.J.. 1974, Comstone (fossil caliche)-its origin, Stratigraphie and sedimentological importance in the New Red Sandstone, Western Scotland: Jour. Geology, 82, 351-369.
- UNDP-, 1970, Survey of groundwater and mineral re¬sources of Cyprus, A technical report prepared for the Goverment of Cyprus by United Nations, 233 P-
Details
| Primary Language | English |
|---|---|
| Subjects | Engineering |
| Journal Section | Articles |
| Authors | |
| Publication Date | October 1, 1995 |
| Published in Issue | Year 1995 Volume: 117 Issue: 117 |
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