Sedimentary evidence of the Pliocene-Quaternary uplift of the Kyrenia Range, northern Cyprus
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Sedimentary evidence for the Plio3Quaternary upli7 of the Kyrenia Range, northern Cyprus Romesh N. Palamakumbura, Alastair H.F. Robertson, Hugh D. Sinclair, Dick Kroon, Mehmet Necdet and Peter Van Calsteren.
Transcript of Sedimentary evidence of the Pliocene-Quaternary uplift of the Kyrenia Range, northern Cyprus
Sedimentary+evidence+for+the+Plio3Quaternary+upli7+of+the+Kyrenia+Range,+northern+Cyprus!
Romesh N. Palamakumbura, Alastair H.F. Robertson, Hugh D. Sinclair, Dick Kroon, Mehmet Necdet and Peter
Van Calsteren.
Cyprus tectonic divisions
50km!
Geology of Kyrenia Range, Northern Cyprus
Plio-Quaternary terraces
AIMS!• Can!we!use!sedimentology!to!understand!the!tectonic!mechanisms!driving!upli>?!!
• Can!we!prove!the!age!rela@onship!between!the!terraces?!
• Can!sedimentology!(&!geomorphology)!be!used!to!differen@ate!between!tectonic!Vs!clima>c+controls+Vs!Eusta>c+sea3level?!
The!highest!Quaternary!deposits!S0I!S1!
S0 ~580m ASL
Trypa Group
Lapithos Group
Kythrea Group
DUCLOZ (1967)
S1 TERRACE
S0
S1
S2
S1 S1
S2
WEST EAST
DUCLOZ (1967)
S1 TERRACE ~260m asl
• Poorly sorted and sub-angular conglomerate made up of mainly limestone, but also clasts of chalk, chert and basalt.
• Cross-bedded calcarenite- composed of peloids, benthic foraminifera, gastropods, quartz and lithic fragments.
S1
~240m asl
Central+Terraces+(S2I!S3)!S2+TERRACE+(170m+asl)!
S2– S3 TERRACE RELATIONSHIP
~160m!asl!
NORTH SOUTH
S3!!(~70m!ASL)!
Lower!terracesI!S4!and!S5!
S2!
S3!S4!
S4!TERRACE!!10m!ASL!–!40m!ASL!
• Marls!with!len@cular!conglomerates;!
• WellIrounded!conglomerates;!• Aeolinite;!• Palaeosols;!• Rare!mammal!fossils;!• Calcarenites!including!horizons!rich!in!shells!and!occasional!corals.!!
Pygmy+Hippopotamus!
S5!TERRACE!
EUSTATIC!SEAILEVEL!INFLUENCES!Marine!Isotope!stage!5! Coral!da@ng!
Sicilian!(S2!TERRACE)!
Calabrian!(S1!TERRACE)!
Tyrrhenian!!(S4!TERRACE)!
Neotyrrhenian!!(S5!TERRACE)!
CONCLUSIONS!• Terraces!become!younger!further!down!the!range;!• S0IS1!represents!a!phase!of!rapid!upli>;!• S2IS4!represent!terraces!formed!by!a!combina@on!of!tectonic!upli>!and!eusta@c!seaIlevel!change;!
• S5!is!a!terrace!likely!to!be!dominantly!controlled!by!eusta@c!seaIlevel!change;!
• Preliminary!upli>!rate!es@matesI!– S2!(Sicilian)I!200m!over!780,000!years=!0.26mm/yr+– S4!(Tyrhhenian)I!40m!over!240,000!years=!0.16mm/yr*.+!!!!!!(*!upli>!rate!based!on!coral!da@ng)!
