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Historical Geology Articles, Information, News and Facts

Popular Historical Geology Items

Carbon Cycle

Carbon Cycle

Carbon Cycle Before Humans: What caused large changes to the carbon cycle 100 MY ago?

Maps Of Pangaea

Pangea

Pangaea Maps: A sequence of maps shows how a large supercontinent fragmented into several pieces.

Great Rift Valley

East Africa Rift

The East Africa Rift System: Learn about the East Africa Rift.

Tunguska Blast

Tunguska

The Tunguska Blast: 100 years ago a meteoroid exploded above the surface of Siberia.

Novarupta Eruption

Novarupta

The Most Powerful Volcanic Eruption of the 20th Century! It was a case of mistaken identity.

Large Bone Deposit

Largest marine bone deposit

The World's Richest and Most Extensive Marine Bone Deposit: How did this amazing bed form?.

Ordovician Fossils

Ordovician fossils

Ordovician Fossil Discovery: The oldest soft-bodied fossils found to date in Ordovician rocks.

Stromatolites

Stromatolite

What Are Stromatolites? Learn how they form. Will they be found in the rocks of Mars?

Banded Iron

Banded Iron Formations

Banded Iron Formations: A new model is proposed for the origin of BIFs.

Age Of The Andes

Andes Mountains map

How Old Are The Andes Mountains? New research suggests an age of > 7 MY.

If it is not grown, it is mined.

World's Oldest Animal

World's Oldest Animal Fossil

World's Oldest Animal Fossils? Possibly the oldest animal ever discovered. Australia - 650 MYO.

Geologic Time Scale

Divisions of Geologic Time: USGS periodically revises rock unit names and age estimates.

Classic Geology Text

Elements of geology

Charles Lyell's Elements of Geology: Written in 1871. The entire book republished here.

Human Ancestors

Australopithecus sediba

Australopithecus sediba: A new hominid species discovered in South Africa.

Oldest Piece of Mantle

Baffin Island mantle rocks

Oldest Piece of Mantle: A 4.5 billion-year-old slab of mantle under Baffin Island, Canada.

Asilisaurus kongwe

Asilisaurus kongwe

Asilisaurus kongwe: A new discovery challenges the age of the oldest dinosaur.

New Sauropod Species

Abydosaurus mcintoshi

Abydosaurus: A huge new sauropod dinosaur.

Age Of The Amazon

Amazon delta

How Old is the Amazon River? Age estimated by sampling sediments.

Oil is found first in the mind.

Newest Historical Geology Items

Colorado Plateau

Colorado Plateau

Colorado Plateau: Researchers have solved the puzzle of why the Colorado Plateau is rising.

Nocturnal Dinosaurs

Nocturnal dinosaurs

Some Dinosaurs Hunted at Night: Scleral ring studies reveal that some were active at night.

Grand Canyon

Age of the Grand Canyon

How Old is the Grand Canyon? Wayne Ranney explores the age of the Grand Canyon.

Rocky Mountains

How did the Rockies form?

How Did the Rockies Form? Not located on a plate boundary, their formation is an enigma.

Mass Extinction Now?

Mass Extinction

The Next Mass Extinction? The steep decline in many species could signal a mass extinction.

Plankton

Plankton and Earth's atmosphere

The Role of Plankton in the development of Earth's first breathable atmosphere.

Pangea Rifting

Pangea rifting and carbon dioxide

Pangea: rifting produced intense volcanic activity that doubled atmospheric carbon dioxide.

Ordovician Extinction

Ordovician extinction

The Late Ordovician Mass Extinction may have been caused by climate change.

Coal Fires & Extinction

Coal fires and the Permian extinction

Volcano-Triggered Coal Fires are thought to be a possible cause for Permian Extinctions.

The present is the key to the past.

Where Did Life Begin?

where did life begin?

Where Did Life Begin? Early organisms may have lived between mica sheets!

Growth of the Andes

Andes Mountain Range

How Fast Did the Andes Rise? Oxygen isotope studies reveal a much slower rate of rise.

Coring a Supervolcano

Seafloor Supervolcanoes: Drilling Shatsky Rise for data on mass extinction.

Guatemalan Jade

Fault motion

Tectonic History In Jade: Dates of metamorphism and fault motion locked in jade.

Clovis Age Extinction

Clovis impact

Do Nanodiamonds and Soot Explain a Clovis Extinction? Overhunting or a comet impact?

Fossilization Mystery

Soom shale

Fossilization Mystery: 1/2 billion years ago these creatures were preserved with incredible detail.

Air Bubbles in Amber

Amber

Bubbles in Amber: Cretaceous oxygen levels determed from air bubbles trapped in amber.

Arsenic Bacteria

Arsenic bacteria

Arsenic Bacteria: All life was based on C, P, N, O, S and H. This bacteria includes As.

Geology underlies it all.

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