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Geode

Geology Page - March 29, 2013

Geodes are geological secondary structures which occur in certain sedimentary and volcanic rocks. Geodes are essentially hollow, spherical to oblate masses of mineral matter...

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$This moisture in the layer of weathered rock that is commonly located beneath soils is an important part of the water cycle on the local and global level. Tree roots tap into the rock moisture and release it back into the atmosphere as water vapor, and water flows through the fractures and becomes part of the seasonal groundwater storage (blue arrows).$

Fossils

Scientists create world’s first 3D thermal image of volcano

Vermilion Cliffs

GoPro Gets Melted by Lava

How do we know the age of the Earth?

Lava flow at Kamokuna ocean entry, Kīlauea, Hawaii

Remote Sensing Downloader

SAGA GIS – System for Automated Geoscientific Analyses

QGIS “Version 2.10.1”

ParaView “Open Source Visualization For Geoscience”

Surfer 13

Thunder Egg

Malachite

Platinum

Gold

Diamond

Tag: Geode

Geode

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Descloizite

Hidden ‘rock moisture’ could be key to understanding forest response to...

Magnetite

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End-Permian extinction happened in 60,000 years—much faster than earlier estimates, study...

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Grossular

Thicker mantle may explain some of Earth’s inner processes