Browse Sections

Articles related to "Metamorphic"


Metamorphism of rocks is a result of a sedimentary, igneous or other metamorphic rock being subjected to heat and pressure.
Metamorphic rocks are those which change type over time and under certain conditions. They are proof that rock may not be as stable and permanent as it seems.
The three types of rocks are the basic foundation of Geology as a science. Knowing how these rocks form can give insight into how to identify them out in the field.
Bead lovers will be interested to know that beads are usually the leftovers from the gemstone cutting process. Find out how gemstones are formed and cut.
Throughout history, there has hardly been an era in which the technology did not depend on the non-metallic element silicon.
A combination of geologic processes taking place over billions of years formed the Harney Peak Granite, where the faces of four American presidents are carved.
It was believed that the first rocks on Earth formed during the Archean Eon, between 3.9 and 2.5 billion years ago. Recent discoveries suggest older rocks.
Deep red garnets are most popular in jewelry, but the gem is also found in varieties of every color. Garnet has been worn and used for over 6000 years.
A diamante's seven-line format can be used to follow the changes an animal such as an amphibian or insect undergoes as it transforms from its larval to adult state.
Minerals that are susceptible to breaking down during erosion processes are less likely to end up in sedimentary rocks. Tougher minerals are common.
The rock formations that make up Grand Canyon National park were deposited more than two billion years ago.
The advance and retreat of shallow seas led to the unique features found in Wind Cave. Outcrops in the park point to the region's geologic history.
Igneous rocks are formed from lava (or magma), though they are not easily definable, as they exist in over seven hundred varieties.
Sedimentary rock formations are those which are formed by layer upon layer of sediment being laid down by natural forces. It is the stone in which history is hidden.
Joanna Cole and Bruce Degen take another ride on the Magic School Bus, to the center of the earth and back.
Natural stone has a beauty and timeless elegance that can enhance any home. Learning about these stones before installing them can enhance their use.
American colonists were thrifty souls who found it necessary to conserve space by finding furniture that doubled itself in function while remaining attractive
Blue marble, blue granite and onyx are exotic stones available in tiles and slabs for kitchen and bathroom design. Using them can turn a project into something unique.
Calcium is the fifth most abundant element in the earth's crust. Among metals, only aluminium and iron are more plentiful.
Monolithic structures are mysterious. Many have astronomical alignments. It's unknown who built them and what their purpose was. Intriguing theories are suggested.
Dana Gioia's poem, "Words," delightfully describes the necessity as well as the unnecessary nature of the poet's most important tool--a fascinating paradox.
Some rocks in the core of the Appalachian Mountains are more than 1 billion years old and construction of the mountains relates to the Supercontinent Pangea.
Bald is an amazingly popular hike for a sub-3,000-foot peak. Open, rocky summit rewards hikers with 360-degree views. Take the kids-make it an enjoyable family outing.
The first steps in turning your plaster columns into marble works of art.
When minerals are too small to see with the naked eye, a microscope can be used to identify them based on optical properties unique to each mineral.
Hatchlands near Guildford in England, is home to a collection of historic keyboard instruments on display and still in regular use today at the concerts held there.
In this new book, the author systematically leads young adults through a series of creative approaches to gaining self-knowledge and achieving goals.
What begins as a pocket full of rocks can often transform into a beautiful rock & mineral collection. Learn how to create a gem collection to be proud of.
Slate roofs have been utilized for centuries for their beauty and durability. Their unique look is what keeps them popular in a growing market of roofing materials.
The landscape of Scotland is one of enormous contrast, and has struck those who have witnessed it with awe and wonder.
The mineral composition of igneous rocks contain mostly the elements oxygen and silicon, but many other elements form a variety of minerals in igneous rocks.
The integration of science with visual arts brings life back to dry science lessons and helps students develop a better understanding of scientific concepts.
Word walls are common in primary classrooms as part of early literacy programs, but they are equally useful for teaching content vocabulary in upper grade classrooms.
The coastal mountains of Oregon and California are high frequency areas for landslides. Could the presence of serpentine minerals play a role in these destructive events?
Kids love to collect and collections of rocks and fossils can be a window to learning about the earth's crust. Children will learn to locate, indentify, and present.
True science is the rigorous application of the scientific method: observation, hypothesis, experimentation and conclusions. Good science is logical and very calculated.
Slate tiles make a wonderful addition to any home design. Use them on floors, fireplace surrounds or kitchen backsplashes to bring beauty and texture to the space.
Although all insects molt and change body shape through their life, some of them undergo only minor changes while most undergo extreme changes in structure and function.
Green marble and green soapstone are both highly prized for their rich colors and durability. These green stones however are actually made of serpentine.
Homeowners who enjoy the process of watching their home's character increase with time may want to consider the use of soapstone counters in the kitchen.
No gemstone is as representative of nature than the emerald. The brilliant green colour, combined with its rarity, makes it one of the most sought after of all gemstones.
Japan is known for beautiful strato-volcanoes and large caldera volcanoes. These are recent additions to a geological base of ocean-derived rocks and sediments.
Sedimentary rocks tell the earth's story. How rocks form and change over time is amazing and dramatic.


| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0-9 |