All rocks names and pictures

    • [PDF File]TEXAS ROCKS & FOSSILS

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      Texas granites are among the most commercially used rocks in the state. Most popular are red and pink varieties, but many shades of gray are also quarried for architectural and monument use. (Although commonly called gray granite, these specimens are technically diorite.) Also see numbers 64, and 70 through 73. 56. Another form of crystalline ...

    • [PDF File]Rock Cycle Project

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      Instead of drawing everything, cut pictures out of magazines. Use pictures from the Internet. Bring in real rocks to use as examples of each type of rock. Make 3D models or have pieces on your board stick out. Glue real rocks on your board. Show the rock cycle in a way you haven’t seen it before.

    • [PDF File]Mineral and Rock Guide booked - CCSF

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      C All Sugary or microcrystalline, usually dark-colored. Marble (CaCO 3) Pure limestone (only CaCO 3) B, R, S, C All Sugary, sandy, or crystalline; calcite or dolomite (form of calcite with Mg) crystals fused together. White to pi nk. Might have dark streaks. Quartzite (SiO 2) Chert (only SiO 2) Quartz Sandstone

    • [PDF File]rocks - Oxford University Museum of Natural History

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      Rocks There are three different types of rocks. You should know all about sedimentary, igneous and metamorphic rocks, so have a look at these pictures and see if you can identify each specimen. Classify these rocks. Try and work out whether they are sedimentary, igneous or metamorphic. Think about how they were formed.

    • [PDF File]METAMORPHIC ROCK CHART - Michigan

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      rocks (many types) Schists and Gneisses In general, the iron and magnesium rich rocks are altered to schists and amphibolites, whereas the silica and aluminum rich rocks form gneisses, but almost any variation is possible because of variations in intensity of metamorphism and also because of the opportunity for the addition or removal of elements.

    • [PDF File]Igneous Rocks and the Rock Cycle

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      Igneous Rocks Igneous rocks are formed by the cooling of molten rock. There are two major states of molten rock: Magma and Lava. Magma is a form of molten rock that exists below the Earth’s surface. Lava is the term given to magma once it reaches the Earth’s surface, usually in the form of a volcanic eruption. There are two major classifications of igneous rocks: Intrusive and

    • [PDF File]ROCKS & MINERALS Worksheets - KidsKonnect

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      All rocks are made of two or more minerals, but minerals are not made of rocks. A mineral is the same all the way through. There are about 3,000 known minerals on Earth. Quartz is one of the most common minerals found on Earth, and basalt is the most common rock. Diamond is the hardest natural substance on Earth, and a diamond

    • [PDF File]THE IDENTIFICATION OF COMMON ROCKS

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      0 2 (1A) all the same mineral cm 0 2 (1 B) different minerals cm Figure 1. Aggregates of minerals: (A) all the same mineral and (B) different minerals. aggregates of mineral grains that are coherent, in other words, the grains stay together and don’t disintegrate under normal conditions; thus sand and mud, which disaggregate, are not rocks.

    • [PDF File]Tumbled Stone Identification Chart - ON THE ROCKS CRYSTALS ...

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      however that not all stones are safe for consumption such as Malachite, Pyrite and Chrysocolla, even in tumbled form. To make a direct contact gem elixir, fill a clean clear glass with pure distilled or spring water and place one tumbled stone of your choice in the glass. Next, cover the glass with clear plastic wrap and secure it to the glass

    • [PDF File]Types of Rocks - Winston-Salem/Forsyth County Schools

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      Rocks are not all the same! The three main types, or classes, of rock are sedimentary, metamorphic, and igneous and the differences among them have to do with how they are formed. Sedimentary Sedimentary rocks are formed from particles of sand, shells, pebbles, and other fragments of material. Together, all these particles are called sediment.

    • [PDF File]CLASSIFICATION OF ROCKS AND DESCRIPTION OF PHYSICAL ...

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      ROCKS 59 a granite since the gneissic portion cannot be observed or substantiated by the thin section and hand specimen. Petrographic classifications can be related to the engineering properties of rock units and are important. Geologic rock unit names should be simple, and general rock names should be based on either field identification,

    • [PDF File]How to Identify Rocks and Minerals - Jan Rasmussen.com

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      card at a time and select all rocks/minerals that match (i.e. dark, or smooth). Continue. Are there any that fit in more than one category? Using 'sense cards', read aloud and hand out each card to an individual student. In turn, ask each student to select one specimen that best describes their word. Great

    • [PDF File]Picture Identification Guide for Polished Stones and ...

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      metamorphic rocks. It can be polished to a high luster and is one of just a few blue minerals that are hard enough to be used as a gemstone. The stones shown here were produced from material mined in Mozambique (Africa). Dyed Agate Agate is a variety of chalcedony that can be extremely colorful but usually is not. It is slightly

    • [PDF File]Sedimentary Rocks and the Rock Cycle

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      Sedimentary rocks are formed by the lithification of inorganic and/or organic sediments, or as chemical precipitates. There are two types of sedimentary rocks: Clastic and Chemical Clastic sedimentary rocks form when existing parent rock material is weathered, fragmented, transported, and deposited in layers that compact,

    • [PDF File]ROCKS and how to identify them.ppt - University of Arizona

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      Rocks are naturally occurring combinations or coherent aggregates of minerals, fossils or other hard materials. They are classified by the way in which they form. The three rock types are: igneous, sedimentary and metamorphic. All rocks on Earth are locked into a system of cycling and re-cycling known as the ROCK CYCLE. (*) METAMORPHIC SEDIMENTARY

    • [PDF File]Rocks

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      Rocks in His Head tells a real life story, about actual events and real people. It’s about one man’s fascination with rocks and how his lifelong interest in rocks made him a very happy man. The story is also a delightful introduction to looking closely at rocks, while it shows the positive, life-changing power of pursuing a personal interest.

    • [PDF File]Rocks & Minerals - Kean University

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      2 Introduction • Understanding the composition of rocks on other planets provides clues to the geologic development of those planets. • Rocks analyzed during NASA's Pathfinder expedition to Mars were found to be similar to common rocks on Earth. When NASA’s Pathfinder spacecraft landed on Mars on July 4, 1997, it released a "rover," a small vehicle called Sojourner

    • [PDF File]A rocky story - GreatSchools

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      investigator identify the rocks, or use the helpful websites provided. Two good references are Peterson’s A Field Guide to Rocks and Minerals and the Golden Guide Rocks, Gems, and Minerals. 50 A rocky story Science activity Use this yes/no key to find the names of the rocks in the pictures. Clue 1 Are there fossils in the rock? If yes, it is ...

    • [PDF File]Mineral Identification Chart – LECTURE

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      can occur in all colors. Glassy and/or greasy. Massive; or hexagonal prisms that end in a point. Conchoidal fracture. Glassy, conchoidal fracture, H=7. Hex. prism with point end. Plagioclase Feldspar family: Anorthite and Labradorite CaAl2Si2O8 to Oligoclase and Albite NaAlSi3O8 6 2.6-2.8 White Colorless, white, gray, or black; can have iridescent

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