A beginner's guide to rock collecting
By: Kathleen Lynn
Starting a rock collection is very simple and inexpensive. Studying the rocks collected one can obtain a wealth of knowledge about the earth and its history. Rocks can be collected anywhere at anytime. Rocks are broken up into three classification systems: Igneous, Sedimentary, and metamorphic...
By: T Marie Allman
From the spectacular pyroclastic displays of Mount Vesuvius to the slow spread of pahoehoe on Hawaii's islands, volcanic eruptions captivate mankind. One of the most intriguing areas of geologic study, volcanoes are simultaneously fascinating and frightening. Not all volcanic eruptions are the same, but they...
A beginner's guide to rock collecting
By: JoAnne Windsinger
The first rock I remember seeing was when my dad plopped a blob of sparkling quartz onto the kitchen table. "Look at this," he said. My heart skipped a beat and my mind danced with possibilities.Now I understood why my parents hauled boxes...
By: Alison Bowler
Nickel is a metallic element found in period four and group ten of the periodic table. It is silvery white in color. The metal is hard, ductile and malleable it is also very resistant to corrosion. It is these properties that dictate many of its...
A guide to plate tectonics: How continents move
By: Billy B. Bob
Plate tectonics: More than a theoryThe Earth is in a state of change. It has been in this state since its beginning, some 4.5 billion years ago. It will continue to change long into the future. Try as we might, there is no escaping...
By: JQ Adams
Surrounded by massive multicolored boulders in a spectacularly beautiful landscape, Slide Rock State Park in Oak Creek Canyon provides you with one of the most scenic and relaxing recreation areas in Arizona.This natural water slide is lined along one side with a naturally formed...
Understanding the three basic types of rock
By: T Marie Allman
From erupting volcanoes to deep ocean seabeds, rocks are being formed all around us. Rocks are the foundation of the earth and may seem indestructible and everlasting but in truth are constantly changing. This is reflected in the three basic types of rock, igneous, sedimentary...
Explaining earthquakes
By: T Marie Allman
One of earth's most dangerous natural occurrences, earthquakes are a natural product of plate tectonics. The crust of the earth is not a solid mass of rock, but large pieces that affect each other through physical interaction. The movements of crustal rock cause the slow...
A guide to plate tectonics: How continents move
By: T Marie Allman
The idea that the earth's continents move has been around for centuries. As early as the sixteenth century, cartographers noticed the puzzle-like similarities between the coastlines of Africa and North America. The theory of continental drift, however, was not popularly accepted by the geologic community...
By: Alison Bowler
Like many things in our natural world rocks follow a cycle. Magma from within the mantle of the earth rises to the surface and solidifies to form igneous rocks. Weathering and erosion breaks down igneous rocks to form sediments. Sediments compact and become cemented to...

 

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