Roadside Geology of Minnesota
You may have heard that Minnesota’s ten thousand lakes are the hoofprints of Paul Bunyan’s big blue ox, Babe. “Don’t you believe it!” writes author Dick Ojakangas. Though the lakes, which formed at the end of the most recent ice age, may be Minnesota’s most famous features, the glaciated countryside disguises a much longer history of volcanoes and plate collisions—not surprising when you learn that Minnesota was at the active edge of the fledgling North American continent for several billion years.
Roadside Geology of Minnesota steers you over glacial moraines and till plains to some of the state’s unparalleled geologic features, such as the Morton Gneiss, once thought to be the oldest rock on Earth; the St. Peter Sandstone, one of the purest sandstones
in the world; the banded iron-formation, the source of iron for the Great Lakes steel industry; and the ancient shorelines of Glacial Lake Agassiz, one of the largest glacial lakes ever to have existed in North America. The book’s introduction presents an overview of Minnesota’s geologic history, and forty-two road guides discuss the landforms and rocks visible from a car window and at nearby waysides and parks, including Pipestone National Monument, Grand Portage National Monument, and Voyageurs National Park. Richard W. Ojakangas. 398 pgs., 6 x 9, paperback
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AAPG Northern Great Plains Geological Highway Map (North Dakota, South Dakota, Iowa, Nebraska, and Minnesota)
Learn more about the geological history of the rocks around you! This colorful, educational map presents state/regional surface rock outcrop information?age, depositional environment, rock type, and names of formations. Includes major highways, towns, and landmarks. Printed on a single sheet and folded to glove compartment size, has a stratigraphic column by state, mileage charts. Scale: 1 inch=30 miles. North Dakota, South Dakota, Iowa, Nebraska, and Minnesota.
Gem and Lapidary Materials : For Cutters, Collectors, and Jewelers
A complete handbook of common materials used in the lapidary arts, lavishly illustrated with full color photographs. br>
While rocks, minerals, and gems are the foundation of an important field of science, they are also the materials of timeless art. Lapidary work is ageless, classless, and transcends national boundaries; it has contributed to social customs, religious beliefs, rites, superstitions, and trade. The author has written a complete overview of the materials used in the lapidary arts throughout history and up to the present. Her book is a showcase of the art form as well as a history of the art. br>
June Culp Zeitner is well known for her prolific writing on lapidary arts, gems, and minerals and has been an avid gem and mineral collector and lapidary for over fifty years. She has published several books and has been writing for Lapidary Journal since 1970.She originated the "state stone" program and now 46 states have official gems, minerals, rocks, or fossils as a result of her efforts. In 1976, as part of the bicentennial celebration, she was presented with the "First Lady of Gems" honor at the White House.
Gem Trails of New Mexico
Mitchell. Revised and expanded edition with over 100 sites to visit. New Mexico is a rockhound?s paradise?with large
amounts of public land available for collecting. From micro-mount and gem quality mineral specimens to fossil pieces containing life forms that are millions of years old. Contains informative text, detailed maps, glossary, mineral index, and a beautiful color insert highlighting the variety of minerals found in New Mexico. 240 pgs.
Raytech Tumble-Vibe 5 Vibratory Tumbler Starter Kit (TV-5 SK)
The Raytech Tumble-Vibe 5 Vibratory Tumbler (Model TV-5) is economical and versatile.
Thousands of satisfied customers testify to the durability and simplicity of the Tumble-Vibe 5. Mated with a spare bowl, and a GSH-2 Stone finish Kit, the new TV-5 Starter Kit is a must for any beginner.
This new kit comes complete and ready to operate with a motorized base, two bowls, clear lid, 2 rubber nuts and all the grits necessary for accomplishing the grinding step through the final polish step of most gemstones. The (4) steps that are included are Silicone Carbide (100/1200) Silicon Carbide (700F), Iolox 50, Raybrite TL (GS-H2 Stone Finish Kit for hard rocks and minerals). There's enough grit for 8-15 pounds of stones. This new compact system will handle a myriad of applications. (Polished stones for illustration only. They are not included with this tumbler.)
Read the Operating Instructions for Raytech's TV-5 Tumbler Starter Kit
Check out this article on Vibratory Tumblers
This popular low-cost unit is a favorite of the hobbyist and is used commercially as well. Vibrating rock tumblers process rocks 5 times faster than rotary rock tumblers. See results in days rather than weeks! This vibrating rock tumbler will process about four pounds of rock in it's .05 cu ft (3 pint) bowl. Bowl diameter is 8" and has a new convenient solid lid system. Shipping weight is 12 lbs., 1.05 cu. ft.
Roadside Geology of Arizona
The rise of mountains and the spread of deserts has marked the geologic history of Arizona. Landscapes that we see today are here because of landscapes of the past, and because of tremendous forces deep within the earth, forces that carry continents into collisions and then drag them apart again, forces of heat and pressure and the slow churning boil of the earth's interior. Landscape features result, too, from more comprehensible, more recent forces: the unending attack of water and wind and frost, the building of volcanoes, the short-term geologic happenings like landslides and rockfalls, earthquakes and floods, and a gopher digging a hole...
BelOMO 10x Triplet Loupe Magnifier
BelOMO 10x Triplet Loupe Magnifier
The BelOMO 10x21mm(.85") triplet loupe magnifier has a viewing area of 0.65 inch (17mm), much larger than the Bausch & Lomb Hastings Triplet Magnifier. The 3 elements making up this achromatic triplet provide a bright and clear view. The 10x power magnification provides the best magnification to depth of field ratio and is the most popular power for a hand held magnifier. The housing and cover are machined metal and coated with a matte black finish and assembled using flathead screws. Belorussian Optical and Mechanical Association (BelOMA), makers of sights for guided weaponry, camera lenses, and other optical components manufacturers these loupes.
We highly recommend this loupe. This is the lens we use all the time.
Don't let this price fool you. The BelOMO loupe is a FANTASTIC buy. These are quality lenses that stand on their own against the higher priced competition. Take advantage of the recovering Belarus economy and a military supplier finding other revenue streams in a capitalistic market. Over 10,000 other geologists, rockhounds, stamp collectors, botanist, surgeons, hobbyist and people from all walks of life have.
Unsure? We encourage you to just Google BelOMO and peruse the rich praise for this loupe.
Each BelOMO loupe we ship is custom treated to prevent the screws from coming loose with usage.
Roadside Geology of Hawaii
Roadside Geology of Hawai`i details the evolution of this volcanic island chain, from the origin of a hot spot and the tumultuous creation of each island to ongoing eruptions and the gradual death and erosion of old volcanoes. Residents and tourists alike will soon become experts on lava tubes and lava flows, ancient beaches and coral reefs, ephemeral black sand beaches and the occasional tsunami. Includes a chapter each on six easily accessible and populated islands: Hawai`i , Maui, Lana`i, Moloka`i, O`ahu, and Kaua`i. Each chapter begins with a general discussion of the rocks of that island, then proceeds with a seres of road guides that provide the local details.
Roadside Geology of Indiana
Hundreds of millions of years ago, warm coral-rich seas deposited mud on the ocean floor, and in time it became limestone --the cornerstone of Indiana geology. Layered with sandstone and shale, the limestone preserves fossils, dissolves along fractures, traps natural gas, and is the source of famous building stones. Roadside Geology of Indiana explores the geologic features visible along the state's highways from Indiana Dunes National Lakeshore in the north to Wyandotte Caves in the south. As you travel across Indiana's time-worn topography, discover fossilized reefs, mastodon skeletons, geodes, ancient bedrock valleys, and the site of a mysterious meteorite impact. Authors Mark J. Camp and Graham T. Richardson divide Indiana into four geographically distinct regions: the arched limestones of the southeastern hills, the karst topography of the south, the coal-bearing rocks of the Wabash lowlands, and the glacially buried north. Numerous maps and cross sections reveal Indiana's geology for easy exploration.
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