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About.com Geology: What's Hot Now



These articles that had the largest increase in popularity over the last week



 



New Hampshire Geologic Map

2016-09-27T11:03:57Z

Geologic map of New Hampshire, part of a set of all 50 states. Page 29.



Shale

2016-09-27T11:03:57Z

Shale is one of the major types of sedimentary rocks. Page 23.



Sandstone

2016-09-27T11:03:57Z

Sandstone is one of the major types of sedimentary rocks. Page 22.



Mechanical Weathering

2016-09-27T11:03:57Z

A short explanation of mechanical weathering.



Feldspar (Orthoclase)

2016-09-27T11:03:57Z

Feldspar is a major rock-forming mineral. Page 5.



What are Convergent Plates?

2016-09-27T11:03:57Z

Convergent plate boundaries form the world's most intense volcanoes, deepest ocean trenches and highest mountains.



Muscovite Mica

2016-09-27T11:03:57Z

Muscovite is classed as a rock-forming mineral. Page 6.



Babingtonite

2016-09-27T11:03:57Z

Babingtonite is one of the pyroxene minerals. Page 3.



Augite

2016-09-27T11:03:57Z

Augite is one of the pyroxene minerals. Page 2.



Biotite

2016-09-27T11:03:57Z

Biotite is an iron-rich member of the mica minerals.



Transform Boundaries - When Earth's Plates Move...

2016-09-27T11:03:57Z

Transform boundaries or transform faults occur wherever the Earth's plates move past each other.



Biotite Mica

2016-09-27T11:03:57Z

Biotite mica is classified as a rock-forming mineral. Page 2.



Dietary Minerals and Real Minerals

2016-09-27T11:03:57Z

Nutritionists and geologists mean different things when they talk about minerals.



Rock Gypsum

2016-09-27T11:03:57Z

Rock gypsum is one of the major types of sedimentary rocks. Page 20.



Siltstone

2016-09-27T11:03:57Z

Siltstone is one of the major types of sedimentary rocks. Page 24.



Olivine

2016-09-27T11:03:57Z

Olivine is an important rock-forming mineral. Page 7.



Here are the Sizes of Tectonic or Lithospheric...

2016-09-27T11:03:57Z

Here is a table listing the lithosphere's tectonic plates by order of size. The lithosphere is the brittle outer layer of the solid Earth.



Conglomerate

2016-09-27T11:03:57Z

Conglomerate is one of the major types of sedimentary rocks. Page 10.



Fish

2016-09-27T11:03:57Z

Fossil fish from Eocene lake beds. Page 12.



All About Lithification

2016-09-27T11:03:57Z

Lithification refers to the process in which sediments are turned into rigid rock through compaction and cementation.



Limestone

2016-09-27T11:03:57Z

Limestone is one of the major types of sedimentary rocks. Page 17.



What Is a Pluton?

2016-09-27T11:03:57Z

Plutons are deep-seated bodies of large-grained igneous rock. They can be exposed at the surface if erosion wears away overlying rock.



Chlorite

2016-09-27T11:03:57Z

Chlorite is one of the silicate minerals. Page 6.



Conglomerate Picture Gallery

2016-09-27T11:03:57Z

An assortment of conglomerates.



Calcite

2016-09-27T11:03:57Z

Calcite is a rock-forming mineral, most important in limestone. Page 3.



Nebraska Geologic Map

2016-09-27T11:03:57Z

Geologic map of Nebraska, part of a set of all 50 states. Page 27.



Top 10 Gemstone Special Effects

2016-09-27T11:03:57Z

The most important optical effects in gemstones, from fire to asterism.



Bivalves

2016-09-27T11:03:57Z

A recent fossil clam looks like bivalves from the Early Cambrian. Page 2.



Learn to Read a Geologic Map

2016-09-27T11:03:57Z

Understanding geologic maps starts with topography.