GEOL 751 Lecture 5: Shark Bay Carbonates

Professor Christopher George St. Clement KendallProfessor Christopher George St. Clement Kendall--

EWS 304 EWS 304 kendall@sc.edu kendall@sc.edu

777.2410777.2410

GEOL 751: Carbonate PetrologyUniversity of South Carolina

Spring 2005

Shark Bay, Western Australia

- Carbonates

Shark Bay, Western Australia

- Carbonates

Intertidal & Subtidal Intertidal & Subtidal Stromatolite Heads, Stromatolite Heads,

Ooids , Sea Grass Banks Ooids , Sea Grass Banks & Carbonate Sills, & Carbonate Sills,

Cement Prone Shelves.Cement Prone Shelves.

GEOL 751 Lecture 5: Shark Bay Carbonates

Lecture Series OverviewLecture Series Overview Carbonate sedimentsCarbonate sediments Hierarchies and Geometry of CarbonatesHierarchies and Geometry of Carbonates Bahamas sedimentsBahamas sediments Florida sedimentsFlorida sediments Shark BayShark Bay Ordovician of Kentucky and VirginiaOrdovician of Kentucky and Virginia Miocene of Mallorca etcMiocene of Mallorca etc

GEOL 751 Lecture 5: Shark Bay Carbonates

Lecture OutlineLecture Outline LocationLocation Open Marine Sea Grass Bank – Bioclastic Open Marine Sea Grass Bank – Bioclastic

BodyBody Carbonate SillsCarbonate Sills Metahaline “Lagoon”: Useless LoopMetahaline “Lagoon”: Useless Loop Hypersaline “Lagoon”: Depuch LoopHypersaline “Lagoon”: Depuch Loop Hypersaline “Lagoon”: Hamlin PoolHypersaline “Lagoon”: Hamlin Pool Stromatolite Heads and Ooid TerraceStromatolite Heads and Ooid Terrace Lake McLeod: Below sea level - Lake McLeod: Below sea level -

Evaporite/carbonate factoryEvaporite/carbonate factory

GEOL 751 Lecture 5: Shark Bay Carbonates

Shark Bay

-Wester

n Australi

a

Shark Bay

-Wester

n Australi

a

Shark Bay

Shark Bay

GEOL 751 Lecture 5: Shark Bay Carbonates

Shark Bay

Shark BayShark Bay

-Western Australia

Shark Bay -

Western Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

Shark Bay

Shark Bay

Shark Bay -

Western Australia

Shark Bay -

Western Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

Shark Bay

Shark Bay

Shark Bay

-Western Australia

Shark Bay

-Western Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

Shark Bay -

Seagrass Banks

-Sills

-Hypersalin

e Pools

Shark Bay -

Seagrass Banks

-Sills

-Hypersalin

e Pools

GEOL 751 Lecture 5: Shark Bay Carbonates

Shark Bay

-Geograph

y

Shark Bay

-Geograph

y

GEOL 751 Lecture 5: Shark Bay Carbonates

Pleistocene Sediments

Pleistocene Sediments

Shark Bay - Western Australia

Shark Bay - Western Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

Shark Bay -

Western Australia

Shark Bay -

Western Australia

Pleistocene Sediments

Pleistocene Sediments

GEOL 751 Lecture 5: Shark Bay Carbonates

Shark Bay -

Western Australia

Shark Bay -

Western Australia

Pleistocene Sediments

Pleistocene Sediments

GEOL 751 Lecture 5: Shark Bay Carbonates

Shark Bay -

Western Australia

Shark Bay -

Western Australia

Pleistocene Sediments

Pleistocene Sediments

GEOL 751 Lecture 5: Shark Bay Carbonates

Shark Bay -

Western Australia

Shark Bay -

Western Australia

Pleistocene Sediments

Pleistocene Sediments

GEOL 751 Lecture 5: Shark Bay Carbonates

Shark Bay -

Western Australia

Shark Bay -

Western Australia

Washover Channel

Washover Channel

GEOL 751 Lecture 5: Shark Bay Carbonates

Salt Scarring

Salt Scarring

Shark Bay -

Western Australia

Shark Bay -

Western Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

EmuEmu

Shark Bay -

Western Australia

Shark Bay -

Western Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

Brian Logan

Brian Logan

Shark Bay

-Western Australia

-Spring Time

Shark Bay

-Western Australia

-Spring Time

GEOL 751 Lecture 5: Shark Bay Carbonates

Kangeroo

Kangeroo

Shark Bay - Western AustraliaShark Bay - Western Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

Blind Inlet

Blind Inlet

Shark Bay - Western AustraliaShark Bay - Western Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

Blind Inlet

Blind Inlet

Shark Bay - Western AustraliaShark Bay - Western Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

Spur & Groove in Beach Rocks

Spur & Groove in Beach Rocks

Blind Inlet-

Shark Bay-

Western Australia

Blind Inlet-

Shark Bay-

Western Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

Lecture OutlineLecture Outline LocationLocation Open Marine Sea Grass Bank – Bioclastic Open Marine Sea Grass Bank – Bioclastic

BodyBody Carbonate SillsCarbonate Sills Metahaline “Lagoon”: Useless LoopMetahaline “Lagoon”: Useless Loop Hypersaline “Lagoon”: Depuch LoopHypersaline “Lagoon”: Depuch Loop Hypersaline “Lagoon”: Hamlin PoolHypersaline “Lagoon”: Hamlin Pool Stromatolite Heads and Ooid TerraceStromatolite Heads and Ooid Terrace Lake McLeod: Below sea level - Lake McLeod: Below sea level -

Evaporite/carbonate factoryEvaporite/carbonate factory

GEOL 751 Lecture 5: Shark Bay Carbonates

Grass Bank

Grass Bank

Wooramel Bank

Wooramel Bank

Open Marine Sea Grass Open Marine Sea Grass Bank – Bioclastic BodyBank – Bioclastic Body

Lens like cross sectionLens like cross section Updip Evaporite Tidal Updip Evaporite Tidal

FlatFlat Tidal channel complex Tidal channel complex

down dipdown dip Luxuriant grass Luxuriant grass

supports epiphytes supports epiphytes building bank 7ft /year building bank 7ft /year seaward into 30 ft seaward into 30 ft waterwater

GEOL 751 Lecture 5: Shark Bay Carbonates

Grass Bank

Grass Bank

Wooramel Bank

Wooramel Bank

Open Marine Sea Grass Open Marine Sea Grass Bank – Bioclastic BodyBank – Bioclastic Body

Lens like cross sectionLens like cross section Updip Evaporite Tidal Updip Evaporite Tidal

FlatFlat Tidal channel complex Tidal channel complex

down dipdown dip Luxuriant grass Luxuriant grass

supports epiphytes supports epiphytes building bank 7ft /year building bank 7ft /year seaward into 30 ft seaward into 30 ft waterwater

GEOL 751 Lecture 5: Shark Bay Carbonates

Grass Bank

Grass BankWoorame

lBank

Wooramel

Bank

GEOL 751 Lecture 5: Shark Bay Carbonates

Freycinet Bank Freycinet Bank

GEOL 751 Lecture 5: Shark Bay Carbonates

GEOL 751 Lecture 5: Shark Bay Carbonates

Grass Bank

Grass Bank

Wooramel Bank

Wooramel Bank

Open Marine Sea Grass Open Marine Sea Grass Bank – Bioclastic BodyBank – Bioclastic Body

Lens like cross sectionLens like cross section Updip Evaporite Tidal Updip Evaporite Tidal

FlatFlat Tidal channel complex Tidal channel complex

down dipdown dip Luxuriant grass Luxuriant grass

supports epiphytes supports epiphytes building bank 7ft /year building bank 7ft /year seaward into 30 ft seaward into 30 ft waterwater

GEOL 751 Lecture 5: Shark Bay Carbonates

Grass Bank

Grass Bank

Wooramel Bank

Wooramel Bank

Open Marine Sea Grass Open Marine Sea Grass Bank – Bioclastic BodyBank – Bioclastic Body

Lens like cross sectionLens like cross section Updip Evaporite Tidal Updip Evaporite Tidal

FlatFlat Tidal channel complex Tidal channel complex

down dipdown dip Luxuriant grass Luxuriant grass

supports epiphytes supports epiphytes building bank 7ft /year building bank 7ft /year seaward into 30 ft seaward into 30 ft waterwater

GEOL 751 Lecture 5: Shark Bay Carbonates

Grass Bank

Grass Bank

Wooramel Bank

Wooramel Bank

Open Marine Sea Grass Open Marine Sea Grass Bank – Bioclastic BodyBank – Bioclastic Body

Lens like cross sectionLens like cross section Updip Evaporite Tidal Updip Evaporite Tidal

FlatFlat Tidal channel complex Tidal channel complex

down dipdown dip Luxuriant grass Luxuriant grass

supports epiphytes supports epiphytes building bank 7ft /year building bank 7ft /year seaward into 30 ft seaward into 30 ft waterwater

GEOL 751 Lecture 5: Shark Bay Carbonates

Grass Bank

Grass Bank

Wooramel Bank

Wooramel Bank

GEOL 751 Lecture 5: Shark Bay Carbonates

Gascoyne River Delta Gascoyne River Delta

GEOL 751 Lecture 5: Shark Bay Carbonates

Wooramel River Delta

Wooramel River Delta

GEOL 751 Lecture 5: Shark Bay Carbonates

Wooramel Bank – Intertidal Flats

Wooramel Bank – Intertidal Flats

GEOL 751 Lecture 5: Shark Bay Carbonates

Wooramel Bank – Shark BayWooramel Bank – Shark Bay

GEOL 751 Lecture 5: Shark Bay Carbonates

Grass Bank

Grass Bank

Wooramel Bank

Wooramel Bank

GEOL 751 Lecture 5: Shark Bay Carbonates

Grass Bank

Grass Bank

Wooramel Bank

Wooramel Bank

GEOL 751 Lecture 5: Shark Bay Carbonates

LeveeLevee

Wooramel Bank

Wooramel Bank

GEOL 751 Lecture 5: Shark Bay Carbonates

Grass Bank

Grass Bank

Wooramel Bank

Wooramel Bank

GEOL 751 Lecture 5: Shark Bay Carbonates

GrassesGrasses

Wooramel Bank

Wooramel Bank

GEOL 751 Lecture 5: Shark Bay Carbonates

Sea SnakeSea Snake

Wooramel Bank – W. Australia Wooramel Bank – W. Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

GrassesGrasses

Wooramel Bank

Wooramel Bank

GEOL 751 Lecture 5: Shark Bay Carbonates

Lecture OutlineLecture Outline LocationLocation Open Marine Sea Grass Bank – Bioclastic Open Marine Sea Grass Bank – Bioclastic

BodyBody Carbonate SillsCarbonate Sills Metahaline “Lagoon”: Useless LoopMetahaline “Lagoon”: Useless Loop Hypersaline “Lagoon”: Depuch LoopHypersaline “Lagoon”: Depuch Loop Hypersaline “Lagoon”: Hamlin PoolHypersaline “Lagoon”: Hamlin Pool Stromatolite Heads and Ooid TerraceStromatolite Heads and Ooid Terrace Lake McLeod: Below sea level - Lake McLeod: Below sea level -

Evaporite/carbonate factoryEvaporite/carbonate factory

GEOL 751 Lecture 5: Shark Bay Carbonates

Faure Sill

Faure Sill

Shark Bay

-Western Australia

Shark Bay

-Western Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

HamlinPool

HamlinPool

GEOL 751 Lecture 5: Shark Bay Carbonates

GrassesGrasses

Faure Sill Faure Sill

GEOL 751 Lecture 5: Shark Bay Carbonates

Faure Sill Faure Sill

GEOL 751 Lecture 5: Shark Bay Carbonates

GrassesGrasses

Faure Sill Faure Sill

GEOL 751 Lecture 5: Shark Bay Carbonates

GrassesGrasses

Faure Sill Faure Sill

GEOL 751 Lecture 5: Shark Bay Carbonates

Lecture OutlineLecture Outline LocationLocation Open Marine Sea Grass Bank – Bioclastic Open Marine Sea Grass Bank – Bioclastic

BodyBody Carbonate SillsCarbonate Sills Metahaline “Lagoon”: Useless LoopMetahaline “Lagoon”: Useless Loop Hypersaline “Lagoon”: Depuch LoopHypersaline “Lagoon”: Depuch Loop Hypersaline “Lagoon”: Hamlin PoolHypersaline “Lagoon”: Hamlin Pool Stromatolite Heads and Ooid TerraceStromatolite Heads and Ooid Terrace Lake McLeod: Below sea level - Lake McLeod: Below sea level -

Evaporite/carbonate factoryEvaporite/carbonate factory

GEOL 751 Lecture 5: Shark Bay Carbonates

Useless Loop

Useless LoopShark Bay

-Western Australia

Shark Bay

-Western Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

Useless LoopUseless Loop

GEOL 751 Lecture 5: Shark Bay Carbonates

Lecture OutlineLecture Outline LocationLocation Open Marine Sea Grass Bank – Bioclastic Open Marine Sea Grass Bank – Bioclastic

BodyBody Carbonate SillsCarbonate Sills Metahaline “Lagoon”: Useless LoopMetahaline “Lagoon”: Useless Loop Hypersaline “Lagoon”: Depuch LoopHypersaline “Lagoon”: Depuch Loop Hypersaline “Lagoon”: Hamlin PoolHypersaline “Lagoon”: Hamlin Pool Stromatolite Heads and Ooid TerraceStromatolite Heads and Ooid Terrace Lake McLeod: Below sea level - Lake McLeod: Below sea level -

Evaporite/carbonate factoryEvaporite/carbonate factory

GEOL 751 Lecture 5: Shark Bay Carbonates

Depuch Inlet

Depuch InletShark Bay

-Western Australia

Shark Bay

-Western Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

Depuch LoopDepuch Loop

GEOL 751 Lecture 5: Shark Bay Carbonates

Depuch LoopDepuch Loop

GEOL 751 Lecture 5: Shark Bay Carbonates

Depuch LoopDepuch Loop

GEOL 751 Lecture 5: Shark Bay Carbonates

Depuch LoopDepuch Loop

GEOL 751 Lecture 5: Shark Bay Carbonates

Lecture OutlineLecture Outline LocationLocation Open Marine Sea Grass Bank – Bioclastic Open Marine Sea Grass Bank – Bioclastic

BodyBody Carbonate SillsCarbonate Sills Metahaline “Lagoon”: Useless LoopMetahaline “Lagoon”: Useless Loop Hypersaline “Lagoon”: Depuch LoopHypersaline “Lagoon”: Depuch Loop Hypersaline “Lagoon”: Hamlin PoolHypersaline “Lagoon”: Hamlin Pool Stromatolite Heads and Ooid TerraceStromatolite Heads and Ooid Terrace Lake McLeod: Below sea level - Lake McLeod: Below sea level -

Evaporite/carbonate factoryEvaporite/carbonate factory

GEOL 751 Lecture 5: Shark Bay Carbonates

Hamlin Pool

Hamlin PoolShark Bay

-Western Australia

Shark Bay

-Western Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

PoolPool

HamlinPool

HamlinPool

GEOL 751 Lecture 5: Shark Bay Carbonates

HamlinPool

HamlinPool

GEOL 751 Lecture 5: Shark Bay Carbonates

Hamlin Pool Hamlin Pool

GEOL 751 Lecture 5: Shark Bay Carbonates

PoolPool

Hamlin Pool Hamlin Pool

GEOL 751 Lecture 5: Shark Bay Carbonates

Hamlin Pool Hamlin Pool

GEOL 751 Lecture 5: Shark Bay Carbonates

Hamlin Pool Hamlin Pool

GEOL 751 Lecture 5: Shark Bay Carbonates

Hamlin Pool Hamlin Pool

GEOL 751 Lecture 5: Shark Bay Carbonates

Hamlin Pool

Hamlin Pool

GEOL 751 Lecture 5: Shark Bay Carbonates

Hamlin Pool Hamlin Pool

GEOL 751 Lecture 5: Shark Bay Carbonates

Hamlin Pool Hamlin Pool

GEOL 751 Lecture 5: Shark Bay Carbonates

Hamlin Pool Hamlin Pool

GEOL 751 Lecture 5: Shark Bay Carbonates

Lecture OutlineLecture Outline LocationLocation Open Marine Sea Grass Bank – Bioclastic Open Marine Sea Grass Bank – Bioclastic

BodyBody Carbonate SillsCarbonate Sills Metahaline “Lagoon”: Useless LoopMetahaline “Lagoon”: Useless Loop Hypersaline “Lagoon”: Depuch LoopHypersaline “Lagoon”: Depuch Loop Hypersaline “Lagoon”: Hamlin PoolHypersaline “Lagoon”: Hamlin Pool Stromatolite Heads and Ooid TerraceStromatolite Heads and Ooid Terrace Lake McLeod: Below sea level - Lake McLeod: Below sea level -

Evaporite/carbonate factoryEvaporite/carbonate factory

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

Hamlin Pool

Hamlin Pool

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

Hamlin Pool

Hamlin Pool

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

Hamlin Pool

Hamlin Pool

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

Hamlin Pool

Hamlin Pool

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

Hamlin Pool

Hamlin Pool

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

Hamlin Pool

Hamlin Pool

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

Hamlin Pool - Stromatolite Morphology

Hamlin Pool - Stromatolite Morphology

GEOL 751 Lecture 5: Shark Bay Carbonates

Hamlin Pool

Hamlin Pool

Paul Hoffman PhotoPaul Hoffman Photo

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

HamlinPool

HamlinPool

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolite

Stromatolite

Hamlin Pool

Hamlin Pool

Paul Hoffman PhotoPaul Hoffman Photo

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

Hamlin Pool

Hamlin Pool

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

Hamlin Pool

Hamlin Pool

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

Hamlin Pool Hamlin Pool

Paul Hoffman PhotoPaul Hoffman Photo

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

Hamlin Pool Hamlin Pool

Paul Hoffman PhotoPaul Hoffman Photo

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

Hamlin Pool Hamlin Pool

Stromotolites are inclined seaward into breaking wavesStromotolites are inclined seaward into breaking waves

Paul Hoffman PhotoPaul Hoffman Photo

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

Hamlin Pool Hamlin Pool

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

Hamlin Pool Hamlin Pool

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

Hamlin Pool Hamlin Pool

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

Hamlin Pool Hamlin Pool

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

Hamlin Pool Hamlin Pool

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

Hamlin Pool Hamlin Pool

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

Hamlin Pool Hamlin Pool

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

Pre-Cambrian – Great Slave Lake

Pre-Cambrian – Great Slave Lake

Paul Hoffman PhotoPaul Hoffman Photo

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

Pre-Cambrian – Great Slave Lake

Pre-Cambrian – Great Slave Lake

Paul Hoffman PhotoPaul Hoffman Photo

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

Pre-Cambrian

–Great

Slave Lake

Pre-Cambrian

–Great

Slave Lake

Paul Hoffman PhotoPaul Hoffman Photo

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

StromatolitesPre-Cambrian

–Great Slave

Lake

Pre-Cambrian

–Great Slave

Lake

Paul Hoffman PhotoPaul Hoffman Photo

GEOL 751 Lecture 5: Shark Bay Carbonates

Lecture OutlineLecture Outline LocationLocation Open Marine Sea Grass Bank – Bioclastic Open Marine Sea Grass Bank – Bioclastic

BodyBody Carbonate SillsCarbonate Sills Metahaline “Lagoon”: Useless LoopMetahaline “Lagoon”: Useless Loop Hypersaline “Lagoon”: Depuch LoopHypersaline “Lagoon”: Depuch Loop Hypersaline “Lagoon”: Hamlin PoolHypersaline “Lagoon”: Hamlin Pool Stromatolite Heads and Ooid TerraceStromatolite Heads and Ooid Terrace Lake McLeod: Below sea level - Lake McLeod: Below sea level -

Evaporite/carbonate factoryEvaporite/carbonate factory

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

Lake McLeod–

W. Australia

Lake McLeod–

W. Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

Subtial areaSubtial area

Lake McLeod

–W.

Australia

Lake McLeod

–W.

Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

Stromatolites

Stromatolites

Lake McLeod–

W. Australia

Lake McLeod–

W. Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

HistoryHistory

Lake McLeod

–W.

Australia

Lake McLeod

–W.

Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

Quoba Ridge

Quoba Ridge

Lake McLeod–

W. Australia

Lake McLeod–

W. Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

Sub Tidal Springs

Sub Tidal Springs

Lake McLeod–

W. Australia

Lake McLeod–

W. Australia

MoundsMounds

GEOL 751 Lecture 5: Shark Bay Carbonates

Subtidal Spring

Subtidal Spring

Lake McLeod–

W. Australia

Lake McLeod–

W. Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

Spring rimm

ed by mangroves

Spring rimm

ed by mangroves

Lake McLeod–

W. Australia

Lake McLeod–

W. Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

Spring & Mangroves

Spring & Mangroves

Lake McLeod–

W. Australia

Lake McLeod–

W. Australia

GEOL 751 Lecture 5: Shark Bay CarbonatesSpring

Spring

Lake McLeod–

W. Australia

Lake McLeod–

W. Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

Marine Spring

Marine Spring

Lake McLeod–

W. Australia

Lake McLeod–

W. Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

Lake McLeod–

W. Australia

Lake McLeod–

W. Australia

Marine Spring

Marine Spring

GEOL 751 Lecture 5: Shark Bay Carbonates

Lake McLeod – W. Australia Lake McLeod – W. Australia

Marine Spring

Marine Spring

GEOL 751 Lecture 5: Shark Bay Carbonates

Lake McLeod – W. Australia Lake McLeod – W. Australia Marine Spring

Marine Spring

GEOL 751 Lecture 5: Shark Bay Carbonates

Lake McLeod – W. Australia Lake McLeod – W. Australia Marine Spring

Marine Spring

GEOL 751 Lecture 5: Shark Bay Carbonates

Lake McLeod – W. Australia Lake McLeod – W. Australia

Cement FillCement Fill

GEOL 751 Lecture 5: Shark Bay Carbonates

Lake McLeod – W. Australia Lake McLeod – W. Australia

Cement Drape

Cement Drape

GEOL 751 Lecture 5: Shark Bay Carbonates

Lake McLeod – W. Australia Lake McLeod – W. Australia

PisolitesPisolites

GEOL 751 Lecture 5: Shark Bay Carbonates

Lake McLeod – W. Australia Lake McLeod – W. Australia

PisolitesPisolites

GEOL 751 Lecture 5: Shark Bay Carbonates

Lake McLeod – W. Australia Lake McLeod – W. Australia

PisolitePisolite

GEOL 751 Lecture 5: Shark Bay Carbonates

Lake McLeod – W. Australia Lake McLeod – W. Australia

Cement Drape

Cement Drape

GEOL 751 Lecture 5: Shark Bay Carbonates

Lake McLeod – W. Australia Lake McLeod – W. Australia

Cement Drape

Cement Drape

GEOL 751 Lecture 5: Shark Bay Carbonates

Lake McLeod – W. Australia Lake McLeod – W. Australia

Cement Drape

Cement Drape

GEOL 751 Lecture 5: Shark Bay Carbonates

Lake McLeod – W. Australia Lake McLeod – W. Australia

Marine Cement

Marine Cement

GEOL 751 Lecture 5: Shark Bay Carbonates

Lake McLeod – W. Australia Lake McLeod – W. Australia

Carbonate Bank

Carbonate Bank

GEOL 751 Lecture 5: Shark Bay Carbonates

Lake McLeod – W. Australia Lake McLeod – W. Australia

Carbonate Bank

Carbonate Bank

GEOL 751 Lecture 5: Shark Bay Carbonates

Lake McLeod – W. Australia Lake McLeod – W. Australia

Carbonate Margin

Carbonate Margin

GEOL 751 Lecture 5: Shark Bay Carbonates

Lake McLeod – W. Australia Lake McLeod – W. Australia

Gypsum and Water

Gypsum and Water

GEOL 751 Lecture 5: Shark Bay Carbonates

Lake McLeod–

W. Australia

Lake McLeod–

W. Australia

Gypsum and Water

Gypsum and Water

The Entrance to Hell

The Entrance to Hell

GEOL 751 Lecture 5: Shark Bay Carbonates

Lake McLeod – W. Australia Lake McLeod – W. Australia

Gypsum and Water

Gypsum and Water

GEOL 751 Lecture 5: Shark Bay Carbonates

Lake McLeod – W. Australia Lake McLeod – W. Australia

Gypsum and Water Beneath

Gypsum and Water Beneath

GEOL 751 Lecture 5: Shark Bay Carbonates

Lake McLeod – W. Australia Lake McLeod – W. Australia

GEOL 751 Lecture 5: Shark Bay Carbonates

Lake McLeod – W. Australia Lake McLeod – W. Australia

Gypsum and Water Beneath

Gypsum and Water Beneath

GEOL 751 Lecture 5: Shark Bay Carbonates

Lecture ConclusionsLecture Conclusions Shark Bay is an important analogue for ancient Shark Bay is an important analogue for ancient

carbonatescarbonates Open marine carbonate bioclastic bank margins form Open marine carbonate bioclastic bank margins form

linear lens shaped continuous bodies along strikelinear lens shaped continuous bodies along strike Carbonate sill & hypersaline coastal terraces form Carbonate sill & hypersaline coastal terraces form

box shaped continuous linear bodies along strikebox shaped continuous linear bodies along strike Metahaline cementation favors stromatolite heads, Metahaline cementation favors stromatolite heads,

ooids, intertidal capillary crusts, & cemented lagoon ooids, intertidal capillary crusts, & cemented lagoon floorsfloors

Evaporite/Carbonate couplets may be the product of Evaporite/Carbonate couplets may be the product of sea surface depression below a barrier margin that sea surface depression below a barrier margin that leaksleaks

End of the LectureEnd of the Lecture

Can it be Can it be lunchtime????lunchtime????