Geology and Archaeology: Submerged Landscapes of the Continental Shelf
Sea-level change has influenced human population globally since prehistoric times. Even in early phases of cultural development human populations were faced with marine regression and transgression as a result of changing climate and corresponding glacio-isostatic adjustment. Global marine regression during the last glaciation changed the palaeogeography of the continental shelf, converting former marine environments to attractive terrestrial habitats for prehistoric humans. These areas of the shelf were used as hunting and gathering areas, as migration routes between continents, and most probably witnessed the earliest developments in seafaring and marine exploitation, until the postglacial transgression re-submerged these palaeo-landscapes. Based on modern marine research technologies and the integration of large databases, proxy data are increasingly available for the reconstruction of Quaternary submerged landscapes. Also, prehistoric archaeological remains from the recent sea bottom are shedding new light on human prehistoric development driven by rapidly changing climate and environment. This publication contributes to the exchange of ideas and new results in this young and challenging field of underwater palaeoenvironmental investigation.
Late Quaternary beach deposits and archaeological relicts on the coasts of Cyprus, and the possible implications of sea-level changes and tectonics on the early populations
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Published:January 01, 2016
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CiteCitation
E. Galili, M. Şevketoğlu, A. Salamon, D. Zviely, H. K. Mienis, B. Rosen, S. Moshkovitz, 2016. "Late Quaternary beach deposits and archaeological relicts on the coasts of Cyprus, and the possible implications of sea-level changes and tectonics on the early populations", Geology and Archaeology: Submerged Landscapes of the Continental Shelf, J. Harff, G. Bailey, F. Lüth
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Abstract
Late Pleistocene beach deposits in 22 selected sites around Cyprus demonstrate the vertical changes in the Earth’s crust in that island over the last 125 ka. The beach/shallow-marine deposits were observed on the abraded coastal cliffs at 3–22 m above the present sea-level. They overlie Pliocene marls, and some of them contain the Senegalese marine gastropods Persististrombus latus, Bursa granularis and Conus ermineus that no longer live in the Mediterranean. These are index fossils for the Marine Isotope Stage (MIS) 5e in the Mediterranean and, as such, suggest an uplift of up to 15.5 m over about the last 125 ka: that is a maximal rate of 0.12 mm a−1. These findings are in accordance with Holocene beachrocks, abrasion platforms, wave notches and Roman/Byzantine fish tanks that retained their elevations, and thus enable the reconstruction of the coast encountered by the early colonizers. While the maximal uplift since the early Holocene has been minor and did not exceed 1.2–1.5 m, the sea-level changes have reached 40–50 m. The transition between the impermeable Pliocene marls and the porous Late Pleistocene deposits above them is the origin of freshwater springs and associated vegetation. The early colonizers seemed to recognize the potential of that essential permanent source of water and excavated wells, the earliest wells known so far. The locations of the Early Neolithic settlements (Mylouthkia and Akanthou) adjacent to visible water springs along the coastal cliffs may not be incidental. Not surprisingly, recent wells dug in the coastal Pleistocene deposits rely on the very same hydrological setting.
Appendices 1–4, which include tables and diagrams showing the vertical changes (m) and rates of vertical changes (mm ka−1), assuming that MIS5e isotope stage deposits are 122 ka old and are at elevation of 7.2 m asl, or 116 ka at 6.5 m, are available at http://www.geolsoc.org.uk/SUP18830.
- absolute age
- archaeological sites
- archaeology
- Asia
- beaches
- Cenozoic
- coastal environment
- correlation
- Cyprus
- depositional environment
- event stratigraphy
- field studies
- Holocene
- human ecology
- index fossils
- Invertebrata
- lithostratigraphy
- marine environment
- Mediterranean region
- Mediterranean Sea
- Middle East
- Mollusca
- morphostructures
- Neolithic
- paleoenvironment
- paleogeography
- Pleistocene
- Quaternary
- reconstruction
- resources
- sea-level changes
- sediments
- shells
- shore features
- Stone Age
- tectonics
- Th/U
- uplifts
- upper Pleistocene
- upper Quaternary
- vertical movements
- Cape Greco
- Akanthou
- MIS 5e
- Karpasia Peninsula
- Mylouthkia
- Famagusta Bay