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Terrestrial Climate
Breakup of the Pangaea supercontinent.
Viewed: 739 times
01/17/09
This ion microprobe at UCLA is used to analyze ultra-thin sections of zircons. Credit: Stephen Mojzsis
Viewed: 502 times
01/17/09
A zircon under a microscope. Credit: Stephen Mojzsis
Viewed: 589 times
01/17/09
Hadean zircons were found at Eranondoo Hill, which is part of the Jack Hills in Western Australia. Credit: Stephen Mojzsis
Viewed: 655 times
01/17/09
Volcanic eruptions from the volcano Askja created the small crater Víti (foreground) and large lakes, such as Öskjuvatn (background).
Credit: OSU
Viewed: 591 times
01/17/09

David Marchant is interviewed in the McMurdo Dry Valleys.
Credit: NSF
Viewed: 469 times
01/17/09
Examples of fossils found in the McMurdo Dry Valleys.
Credit: Zina Deretsky/National Science Foundation
Viewed: 592 times
01/17/09
The Yellowstone volcano's caldera, or sunken floor, covers an immense area.
Credit: U.S. Geological Survey
Viewed: 505 times
01/17/09
Photo of mineralized gas bubbles (amygdales) in 2.74 billion year old basalt from Australia. Credit: R. Buick.
Viewed: 510 times
01/17/09
On a rock outcropping in South Africa, this meerkat "guards" fossilized raindrop craters that formed 2.7 billion years ago. Credit: Wladyslaw Altermann of Ludwig-Maximilians-University of Munich.
Viewed: 488 times
01/17/09

When a raindrop lands in mud, the impact can create a tiny crater. Buick is studying fossilized raindrop imprints in mud that dried and hardened into rock billions of years ago.
Viewed: 551 times
01/17/09
Earth's oldest known rock is composed of the mineral amphibole, which contains abundant garnet, seen as large round "spots" in the rock. Credit: Jonathan O'Neil
Viewed: 445 times
01/17/09
Bedrock along the northeast coast of Hudson Bay, Canada, has the oldest rock on Earth. Credit: Jonathan O'Neil
Viewed: 503 times
01/17/09
A large spherical cluster of spearheads was dubbed the "Magnetic Death
Star" by researchers.

Credit: Caltech
Viewed: 417 times
01/17/09
A typical spearhead-shaped crystal.

Credit: Caltech
Viewed: 784 times
01/17/09

Los Angeles street
Viewed: 382 times
05/27/09
Antarctic Peninsula
Viewed: 331 times
05/27/09
Asgard Mountain Range
Viewed: 323 times
05/27/09
organic photosynthesis
Viewed: 483 times
05/27/09
Char Formation
Viewed: 390 times
05/27/09

SpaceStorm
Viewed: 312 times
05/29/09
BIFs
Viewed: 325 times
06/21/09
Apatite
Viewed: 483 times
06/21/09
ClimateSlice
Viewed: 348 times
06/27/09
Cars
Viewed: 299 times
06/27/09

TreesFallen
Viewed: 440 times
06/27/09
EarlyEarth
Viewed: 426 times
08/19/09
IceAge
Viewed: 314 times
08/19/09
hotzone
Viewed: 303 times
09/01/09
NeutralAtmosphere
Viewed: 315 times
09/01/09

DustClouds
Viewed: 406 times
09/04/09
AerosolHaze
Viewed: 416 times
10/06/09
MethanePhotochem
Viewed: 416 times
10/06/09
ChinaHaze
Viewed: 427 times
10/06/09
BandedIron
Viewed: 268 times
10/12/09

BeringiaFossil
Viewed: 281 times
10/27/09
BeringiaDeposit
Viewed: 280 times
10/27/09
EarlyClimate
Viewed: 282 times
11/11/09
EocenePoles
Viewed: 270 times
11/22/09
EastTasmania
Viewed: 306 times
11/22/09

EoceneGlacier
Viewed: 306 times
11/22/09
Ocean
Viewed: 296 times
11/22/09
Sulphur33
Viewed: 282 times
11/22/09
LASmog
Viewed: 265 times
12/10/09
WyomingCoal
Viewed: 303 times
01/14/10

HansenStorms
Viewed: 297 times
01/21/10
Mount Saint Helens
Viewed: 311 times
02/18/10
Haiti
Viewed: 272 times
02/21/10
Nitrogen Cycle
Viewed: 336 times
02/22/10
Concepcion
Viewed: 337 times
03/04/10

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