Jurassic Paleogeography of west- central Pangaea: The Origin of the Gulf of Mexico and the Caribbean Manuel A. Iturralde-Vinent Museo Nacional de Historia.

Slides:

Advertisements

Similar presentations

Continents change position over time

Advertisements

Continental Drift Lyell proposed movement of continents to account for climate change evident in fossil record BUT did not change shape or position relative.

SEISMOTECTONICS AND TECTONIC HISTORY OF THE ANDAMAN SEA Eguchi, T., Uyeda, S. and Maki, T., Earthquake Research Institute, University of Tokyo(Japan)

WESTERN-CARIBBEAN Phanerozoic Tectonic Deformations as Recorded in the Cuban Foldbelt ITURRALDE-VINENT, Manuel A. Museo Nacional de Historia Natural, Obispo.

Amy Lombari Zoe Gentes Andew Infante Jennifer Sullivan Dennis Titterton.

California Geologic History

Latest Precambrian / Early Paleozoic Supercontinent Rodinia, centered about the south pole, breaks apart. North America (Laurentia), Baltica, and Siberia.

Geology Unit Review. Charles Darwin suggested that organisms could change over time through what process? Natural selection.

Sevier- and Laramide-Style Tectonics in the Northern Rocky Mountains John S. Oldow Geological Sciences University of Idaho Moscow, Idaho.

Regional geology and tectonic history of Wyoming Geological Field Techniques Course.

Mesozoic Geology Beginning of the Modern World. Mesozoic Myr.

The three pillars of Earth history Stratigraphy Isotope geochemistry Paleomagnetism & plate tectonics.

Earth: Geologic Principles and History FIRST EDITIONCHERNICOFF/FOX/TANNER.

Lab 4-3: Sea-Floor Spreading

Changes in the Earth Continental drift and processes at plate boundaries.

Late Paleozoic Earth History

Earth Science Notes Evidence for Plate Tectonics.

Approximately 150 to 210 million years after – the emplacement of massive plutons created the Sierra Nevada Nevadan orogeny – gold was discovered at Sutter's.

Chapter 14 Mesozoic Earth History Million years ago Triassic Jurassic Cretaceous.

The History of the Earth The evolution of the continents.

mountains, mountain building, & growth of continents

8 Plate Tectonics 8.1 What Is Plate Tectonics?

In the early Cretaceous, the plume of hot, rising rock engendered by the Bermuda hot spot was located west of the Mississippi Valley graben, a zone containing.

Scientific Method at Work

Chapter 8 Notes Place these notes into your Geology Notebooks.

Table of Contents Chapter Preview 8.1 The Rock Cycle

Mid-Jurassic to Recent Tectonic Evolution of the Arctic Region Using the PLATES Animation Software  1999, University of Texas Institute for Geophysics.

Geology Unit Review. Charles Darwin suggested that organisms could change over time through what process? Natural selection.

Plate Tectonics and Western North America. Magnetic Stripes off Pacific Coast.

WESTERN-CARIBBEAN Tectonic Deformations as Recorded in the Cuban Foldbelt ITURRALDE-VINENT, Manuel A. Museo Nacional de Historia Natural, Obispo no. 61,

Plate Tectonics. Theory of Plate Tectonics Meaning – “plate structure” Developed – 1960’s Explains the movement of Earth’s plates, causes of volcanoes,

UpdatedCreated by C. Ippolito April 2009 Plate Tectonics theory that describes the formation, movement, and interactions of lithosphere sections that move.

Cenozoic Era Geologic Time. Eons: Hadean ▫ bya Archaean ▫ bya Proterozoic ▫2.5 bya – 543 mya Phanerozoic 543 mya- present.

Earth History GEOL 2110 The Mesozoic Era

SCI/245. Basement rocks were detached from the African Plate when the Pangaea rifted and had moved closer to the North American Plate. The formation of.

Chapter 16 Early Mesozoic Era. Guiding Questions What groups of animals were conspicuous in Triassic and Jurassic seas? What kinds of plants played major.

Tectonic Quiz Review. Convection Currents Define the following: Plate Tectonics Study of the formation and movement of the rigid plates that form the.

Pacific Northwest Geology. Northwest Geology Starting points We’re interpreting events & conditions in the past using available evidence – the rock record.

Yukon & Alaska. Our Route in Canada & Alaska Yukon: Drainage Divides Peel River Drainage Area Yukon River Drainage Area Mackenzie River Drainage Area.

Plates of the Lithosphere. Pangaea – Giant supercontinent of the Paleozoic and Mesozoic eras Continental Drift – The breakup of Pangaea where plates moved.

East African Rift A triple junction joins the East African Rift System to the Gulf of Aden and the Red Sea Oceanic crust began forming in the Gulf.

California Geologic History Part I: Pre-San Andreas Fault System.

The Mesozoic. Periods of the Mesozoic ► Triassic ► Jurassic ► Cretaceous.

MESOZOIC STRATIGRAPHY BIG HORN AND POWER RIVER BASINS.

Global Tectonics II- Origin of an Idea. Divergent Plate Boundaries –Plates moving apart Convergent Plate Boundaries –Plates moving toward one another.

Evidence for Plate Tectonics

Geologic Time Scale. How’s it divided?  Instead of being divided into months or years, the geologic time scale is divided into eras.  Eras are divided.

PLATE BOUNDARIES PLATE TECTONICS CONTINENTAL DRIFT PANGAEA CHAPTER 7 CHAPTER 7 Sections 1-3.

Plate Tectonics. Plate Tectonics is a theory that describes the formation, movements, and interactions of Earth’s plates.

Mesozoic Era Geology. Phanerozoic Eon Mesozoic Era 3 periods3 periods Age of ReptilesAge of Reptiles – Triassic – Jurassic – Cretaceous.

Warm-Up 1.If a bone specimen contains 12.5% of its original amount of Carbon-14, how many half lives have passed? 2.How old if the bone? Time’s Up!

Plate Tectonics Before Pangaea  Plate movements since the breakup of Pangaea is well understood, but tectonic movements prior to Pangaea is not as clear.

Part 1: The Vendian, Cambrian, and Early Ordovician Periods

1)The plate tectonic system 2)A theory is born 3)Early evidence for continental drift 4)Continental drift and paleomagnetism 5)Plate boundaries 6)History.

Harry Williams, Historical Geology1 HISTORICAL GEOLOGY LECTURE 11. EARLY MESOZOIC GEOLOGY. TRIASSIC-JURASSIC ( MYBP) Introduction: The Mesozoic.

Evidence of evolution from the past. Fossil records Biogeography Molecular Evidence Comparative anatomy.

Handout 2 Standard 2-2 Geologic Record. Chapter 10 Section 3 EFFECTS OF CONTINENTAL CHANGE.

North American Geological History. So what did we figure out about the East Coast so far? Proterozoic: suture zone, rifting Cambrian: passive margin Ordovician:

8 Plate Tectonics 8.1 What Is Plate Tectonics?

Coastal Plain Appalachian Highlands Laurentian Upland Interior Plains Interior Highlands Rocky Mountain System Colorado Plateau Basin and Range Columbia.

Late Paleozoic Earth History

Wednesday October 27, 2010 (The Phanerozoic Eon).

6.1 Earth’s Structure 6.1 Earth’s Structure.

The Paleozoic, Mesozoic, and Cenozoic Eras

Raising The Rockies.

LECTURE 11. EARLY MESOZOIC GEOLOGY.

Overview of the Geology of Cuba Overview of the Geology of Cuba

Earth Science Chapter 23 Section 2

HISTORY OF THE CONTINENTS

Place these notes into your Geology Notebooks.

Presentation transcript:

Jurassic Paleogeography of west- central Pangaea: The Origin of the Gulf of Mexico and the Caribbean Manuel A. Iturralde-Vinent Museo Nacional de Historia Natural, Cuba

Plate Tectonics

Understanding the evolution of west-central Pangaea up to the formation of the Caribbean sea, require as starting point a Plate Tectonic framework. Here is chosen the reconstruction of Lawyer and Gahagan (1999) with minor modifications, in order to find a place for the Cuban Southwestern Terranes (Guaniguanico, Pinos and Escambray) and the Peñón-Dagua terrane.

Latest Triassic - Early Cretaceous Plate Tectonic Evolution of West Central Pangaea by Larry Lawyer and Lisa Gahagan University of Texas, at Austin, 1999 Latest Triassic - Early Cretaceous Plate Tectonic Evolution of West Central Pangaea by Larry Lawyer and Lisa Gahagan University of Texas, at Austin, 1999

Paleogeography of West-central Pangaea: 2. Tectonic and Stratigraphic Framework M. Iturralde-Vinent

Tectonic units and terrains related to the Jurassic paleogeography of western Pangaea

Stratigraphic-environmental columns of west-central Pangaea

Seismic stratigraphy of the southeastern Gulf of Mexico

Oceanic crustContinental crust Latest Triassic Lower to Middle Jurassic Upper Jurassic SEISMIC SECTION FROM FLORIDA TO BLAKE BAHAMAS Blake Bahamas Basin Florida Strait Providence channnel A B EARLY RIFT SYSTEM

This stage is represented by the evolution from intracontinental to open marine facies during the formation of the Caribbean sea and its continental margins. This was a stage of Latest Triassic- Jurassic rifting and Late Jurassic-Early Cretaceous rift. These events are reflected in the stratigraphy of the Cuban southwestern terranes and the Bahamas. Jurassic to Early Cretaceous in the Cuban foldbelt

Outcrops of the North American continental margin units along the northern half of Cuba (Bahamian borderland) and as the Cuban Southwestern terranes (former Mayan borderland). Bahamian borderland Mayan (Yucatan) borderland

Guaniguanico Pinos Escambray Original position of the Cuban Southwestern Terranes

Guaniguanico Terrane: Mesozoic stratigraphy NO EVAPORITES IN THE AREA !!!

The Mesozoic stratigraphy of both the Guaniguanico and Escambray terranes are very similar, but the Pinos terrane differ in representing a more continental-ward set of siliciclastic and carbonate rocks. All these terranes present igneous rocks associated with the early rift and later drift of the continents.

Stratigraphy of the Bahamian borderland and Proto-Caribbean EVAPORITES

Paleogeography of West-central Pangaea: 3. Jurassic evolution of the Caribbean-Gulf of Mexico M. Iturralde-Vinent Paleogeography of West-central Pangaea: 3. Jurassic evolution of the Caribbean-Gulf of Mexico

CONCLUSIONS

1. The Caribbean and Gulf of Mexico areas evolved almost simultaneously, but they were structurally isolated from each other until the Late Jurassic 2. The crust of the Caribbean and the Gulf are of Callovian-Oxfordian in age, but the Gulf crust may be slightly older.

3. The Louan salts may be slightly older than Punta Alegre salts of northern Cuba- Bahamas. 4. The oldest marine rocks of the Caribbean area and surroundings are of Bajocian- Bathonian age, but indirect paleontologic evidence suggest that there may be older marine rocks in the area. 5. The Caribbean opened as a seaway probably in the Bathonian, but certainly in the Oxfordian, when was populated by deep marine animals.

This is a contribution to IGCP Project 433 Caribbean Plate Tectonics Web Site: Thanks / Gracias