Sedimentation on Passive Margins

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Presentation transcript:

Sedimentation on Passive Margins

Pull-apart basin model

Pull-apart basin infilling model

Ridge Basin of California, strike slip basin

Baja California, Transform Margins

California borderland basins

Gulf of Guinea, Transform Margin

Rifted margin model

Controls on margin stratigraphy, Eastern USA

Baltimore Canyon Margin

Louisiana Margin: salt diapirs

Carolina Margin, USA

Brazil continental margin

Newfoundland margin

New Jersey margin, onlapping related to lower crustal extension

Steerhead geometry in rift basins: consequence of increasing Te after rifting

Platform Permian basal unconformity, Oman

Platform carbonates, Mesozoic, Oman

Proximal slope carbonate turbidites, Oman

Distal calcareous turbidites, Hawasina, Cretaceous, Oman

Green cherts and shales, Hamrat Duru, base of slope, Oman

Red radiolarian cherts, Hawasina, abyssal plain, Oman

Radiolarian cherts and muddy turbidites, Oman

Basin geometry of a simple foreland basin

Stratigraphic response to folding

Rivers draining Himalaya frontal ranges

Evolution of the Oman foreland basin

Sequence stratigraphic evolution of the Oman foreland basin

Dip slope of collapsed platform, Oman

Top of collapsed platform, Oman, base of Muti Fmn

Base of Muti Fmn, Oman

Muti Fmn breccias, Oman, platform collapse facies

Platform drowning sequence ahead of ophiolite emplacement, Greece

Sedimentary response to active faulting

Early rift graben, localized sediments, small relief

Lamia Graben

Axial sedimentation in early rift basin

Rift climax graben, hanging wall fans, deep water

Postrift thermal subsidence, burial of footwall topography

Idealized rift stratigraphy

Idealized rift seismic model

Roll-over into extensional fault-Gulf of Corinth

Sediment thickening into the fault, Corinth, Greece

Talus breccias, fault scarps, Corinth, Greece

Basin and Range graben model

Continental rift graben model-interior drainage

Continental rift graben model external drainage

Coastal graben-basins

Graben model-coastal, carbonate setting

Umbers over volcanics, Margi, Cyprus

Reef limestone over deep-water chalk-Cyprus

Reef talus from collapsing margin, Cyprus

Holocene Fanglomerate on terrace, Cyprus

Volcaniclastic breccias, forearc, Saipan, Marianas

Calcareous turbidites, Guam

Exposed reefs, Saipan, Marianas