Simplified Geologic Map of California Postcard


Simplified Geologic Map of California Postcard

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PC-31000001
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A postcard-sized version of the Simplified Geologic Map of California. Scale approximately 1"=100 miles. Great for gifts.
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  • Barcharts QuickStudy Earth Science

    This color illustrated chart covers the basics of geology, meteorology, oceanography and astronomy to give the student of earth sciences a thorough overview of the basics of each. Clearly labeled illustrations of cycles and categories, and an inclusive text outline provide a quick refresher. Topics covered include Minerals, Rock Types, Mass Wasting, Water and The Water Cycle, Shaping the Earth, Plate Tectonics, Volcanoes, Earthquakes and a lot more.
    FG-00000102
    $4.46
  • California (Northern Edition) Gold & Gems Maps - Then and Now

    Height 9.5'' Width 6.5''

    California Gold & Gems Maps, Northern Edition is a comprehensive collection to assist the rockhound in locating 40 gem sites. The source of information has been taken from numerous publications. All known types of rock and gem deposits could not be included because of the numerous types and locations would be overwhelming. Some of the reported gold and gold districts are included as far back as 1850.


    The first report of gold in California was published in Spain in 1510. California was believed to be an island north of Mexico where gold and precious stones were abundant. Gold was actually mined in California as early as the late 18th century but the "rush" did not begin until the discovery at Sutters Mill in 1848.


    Rock and Gem collecting in California is virtually unlimited as illustrated by the key symbols on each USGS map section. A few counties that host exciting deposits are as follows: Siskiyou, Trinity, Tehama and Plumas.


    The early maps included in this publication were located in various archival collections. The primary sources were the National Archives and the California State Library. The U.S. Geological Survey supplied the featured modern map. The design is planietric for clarity.


    Map identifies locations of: gold and silver, actinolite, agate, amazonite, amethyst, apatite, apache tears, argonite, azurite, beryl, calcite, carnelian, chalcedony, chert, chrysocolla, epidote, feldspar, flourite, fossils, garnet, geodes, hematite, jade, jasper, kyanite, malachite, obsidian, opal, orthoclase, petrified wood, psilomelane, pyrite, quartz, rhondonite, rhyolite, serpentine, topaz, travertine, tourmaline, turquoise, and wollastonite.

    GM-3100301
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  • Rockhounds Handbook

    Learn about rock and mineral formation, tools, identification, finding minerals in the field, legal aspects preparation and preservation, cutting and polishing, and making jewelry from your finds. Numerous illustrations and B/W photos. Color photos highlight over 50 of the most commonly encountered minerals. Beyond the possibility of making a new find or valuable discovery, rock and mineral collecting is an inexpensive hobby that is an excellent activity for all ages. It also offers the opportunity to explore landscapes as diverse as the rocks and minerals found there.
    Written by the author of the Gem Trails series, The Rockhound's Handbook is an indispensable how-to book for the beginner, and a handy reference guide for the experienced collector.
    GB-80000057
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  • Barcharts QuickStudy Rock and Minerals

    This six-paged pictorial guide will help you to recognize and differentiate vast array of rocks and minerals and its compositions.

    Topics covered include:
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    - rock cycle
    - igneous rocks
    - sedimentary rocks
    - metamorphic rocks
    - Moh's scale
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    - and much more

    This guide is laminated and comes with three punched holes for easy use.
    FG-00000101
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  • Geologic Map of California (Folded)

    The Geologic Map of California presets an overview of the geology and
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    It should fill the need for a modern geologic wall map (flat) showing the distribution
    of the major rock types and the major structural elements of the state. The Geologic
    Map of California
    portrays the geologic setting of mineral deposits of
    California and can be used in planning mineral resources investigations.


    California is a big state and this is a big map! 5 feet by 4 1/2 feet big.
    The geologic features of California overlaid on a topographical map with 500
    foot intervals with 100 foot supplementary intervals . The Geologic Map
    of California
    is available either folded (this product) or as a flat sheet.


    Note: the image used is from the Generalized Geologic Map of California (1:2,500,000).
    The Geologic Map of California, 1977, at the scale of 1:750,000, has
    much more geologic detail!

    GM-3100001
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  • Rockhound Emblem Sticker, Large

    Let everyone know that you're a rockhound! Put one (or more) of these stickers on your vehicle and meet other rockhounds everywhere, not just on a dig. The Rockhound Emblem sticker is 4 inches in diameter. (The Rockhound Emblem is Trademarked.)
    NV-00001011
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  • Rockhound Emblem Ceramic Cup with I Love Rocks

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    NV-00001001-ILR
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  • Estwing Supreme 22 oz Pointed Tip Rock Hammer E3-22P

    Estwing Supreme 22 oz Pointed Tip Rock Hammer E3-22P

    The Estwing Supreme 22 oz Pointed Tip Rock Hammer (E3-22P) is the standard, the rock pick carried by more geologist and rockhounds. Light enough to easily carry but heavy enough to crack some rock. Estwing Supreme quality in a one-piece forged pointed tip rock pick. Fully polished solid steel with the Estwing shock absorbing nylon-vinyl grip which has been tested to reduce shock by 50%.

    Head Width 7 inches
    Overall Length 12 3/4 inches
    Head Weight 22 ounces
    Total Weight 2 pounds

    Estwing has introduced a new line of tools called Big Face. The Big Face tools have, wait for it, a big head. The head is widen at the end to make is safer and more effective when using the hammer for driving chisels. The extra 2 ounces on the Estwing Supreme Big Face 24 oz Pointed Tip Rock Hammer E6-24PC makes it a better hammer for smashing rocks or driving those chisels.
    HW-01000022
    $36.45
  • Estwing Leather Grip 22 oz Pointed Tip Rock Hammer E30

    Estwing Leather Grip 22 oz Pointed Tip Rock Hammer E30

    This is almost the same rock Hammer as the Estwing Supreme 22 oz Pointed Tip Rock Hammer E3-22P. The difference is the use of a leather handle rather than the vinyl handle. The leather grip is made of laminated leather "O" rings pressed then riveted to the shaft. The whole handle is then laminated. The leather grip makes this hammer aesthetically pleasing as well as a great field tool. The leather is factory coated with a varnish that wears off with use.

    Head Width7 inches
    Overall Length13 inches
    Head Weight22 ounces
    Total Weight1 pound 15 ounces
    HW-01000030
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