Rs28 gold occurrences of colorado colorado geological survey. A collection of 5 large maps covering the entire state of colorado. Gold placers, or deposits such as gravel and sand which contain notable concentrations of gold, all result from the slow milling and concentration processes incident to natural erosion of preexisting goldbearing rocks. Gold was discovered in placers at empire, georgetown, idaho springs, breckinridge, blackhawk.
Parker 1974 gleaned the following information from an 1895 book on the history of colorado written by frank hall. Gold mining in colorado, a state of the united states, has been an industry since 1858, and played a key role in the establishment of the state of colorado. The origin of many gold placers is traceable directly to auriferous veins, lodes, or replacement deposits which, in most. Whichever gold recovery method is used, its worth remembering that a lot of virgin paydirt is out there waiting on hillsides across gold country in colorado. The book also states that as far as boulder county is concerned. Reliable information about the coronavirus covid19 is available from the world health organization current situation, international travel. In 1984, the bureau of mines said 2 % of this annual yield was placer gold.
However the initial discovery, where california gulch empties into the arkansas river, was not rich enough to cause excitement. Gold in placer deposits usgs publications repository. Gold placers and their geologic environment in northwestern park county, colorado was originally published in 1950 as usgs bulletin 955d. The sources of the gold of the placer deposits are clear. Singewald prepared in cooperation with the state of colorado, the colorado metal mining fund the colorado mining association and the colorado geological survey board contributions to economic geology, 1947 pages 103172 united states. A smallscale miner has the opportunity to exploit small, rich accumulations of gold which largersized mining companies might pass by, due to reservesize and overall ore. The proctors nickname for this superb gold thumbnail from venezuelas zapata claims was the little bird and you can easily see why there were captivated by the artistic form and aesthetics of this very fine piece. You can do it with the information contained in this book. Gold placers of colorado mining geology book mining books. This great book on colorado gold placers breaks down gold bearing areas into counties and districts to make it much easier to locate gold areas in colorado. Open library is an open, editable library catalog, building towards a web page for every book ever published. Faint smudging to the covers, and creasing to the front cover of book 1. Prospecting bench gold placers finding gold in colorado.
A complete bibliography, given at the end of the paper, includes separate sections for all literature references and all geologic map references. This book is much better then the original gold placers of colorado, books 1 and 2, colorado school of mines, by dr. Overall, american gold production increased during the period from about 2. Arizona gold placers and placering back in print mining. A guide to the states best sites for gold romaine, garret on. If you have the determination and a little knowledge, the arizona desert sands conceal secret gold placers, just waiting to be discovered by you. Hahns peak was the site of a somewhat major gold rush beginning in the 1860s. If you are looking for the placer gold deposits in nevada, this guidebook and map will make your hunt a whole lot easier. Gold placers park county colorado mining geology book.
On 26 april 1860, abe lee made a rich discovery of placer gold on california gulch six miles east of the arkansas river, and oro city was founded at the new diggings. During the 1980s, the annual percentage was around 2 % or 3%. Gold was discovered in the area in late 1859, during the pikes peak gold rush. Typically, lode deposits are the traditional veins of ore that are embedded in rocks and minerals. Customs services and international tracking provided. For 1932 to 1950, the output of placer gold in the state was more than d. For those readers with my book learn more about the book or buy it here, accessible bench placers are at sites c06, g03 and h01p. Gold panning and placering in coloradohow and where.
Plate 1 gold districts and placers, and plate 2 late cenozoic, middle tertiary, and laramide igneous rocks and tectonic elements. Colorado placers and placering book gold mining gold prospecting free ship. The only ones that have contributed largely to the gold output are those of the bingham district, though others have been work1. Alma, co gold mines, mine companies, mine owners and mine information. As octahedra, dodecahedra, and cubes, typically crude or rounded, to about 5 cm. Gold panning placering colorado mining geology book ebay. Oro city, now a ghost town, was an early colorado gold placer mining town located near. The book covers all the counties in arizona and breaks down all the major placer locations. Numerous and frequentlyupdated resource results are available from this search. There are still many virgin areas in the county that have never been touched. The geology of the gold placers of colorado, part 2 ben h. Gold panning and placering in colorado how and where information series number 33.
Usmining provides information on mines, operators, and minerals mined in alma, co. The geology of the gold placers of colorado book, 1961. Fifty books and maps that will show you where gold has been found in the past. Gold placers of colorado 1974 edition open library. The stuff you gold pan for to start off, there are two types of gold deposits. A catalog of location, geology, usgs maps and gps coordinates documenting 495 gold placer deposits in 37 counties of colorado. Gold panning and placering in colorado how and where.
Gold placers gold placers within the state are neither numerous nor of great importance. The gravel and bench deposits along clear creek, just north of denver contains placer gold. The geology of the gold placers of colorado, part 3. Park county was one of the richest placer gold areas in colorado. Wright creek placers 34 colorado river placers 34 gold basin placers 35 igng tut placers 37 yavapai county.
So wrote anson smith about the gold along the colorado river in 1900. Gold placers park county colorado mining geology book ebay. Every spare second he got while stationed at elmendorf afb in alaska he was off prospecting. Gold placers of colorado, quarterly of the colorado school of mines, book 1 volume 69, number 3 and book 2 volume 69, number 4 by dr. All bars, and benches along clear creek, which is a tributary of the south platte river, had extensive placer operations which produced. Colorado geological survey dept of natural resources 1992. The process for the creation of placer gold begins when a lode deposit. Placer gold deposits represent the most attractive targets for smallscale miners and prospectors, since activities can be carried out with reasonably small costs, and encouraging prospecting results can be obtained rapidly. He was born in oklahoma and most of his education in golden, colorado where he eventually attended the colorado school of mines. Gold placers and placering fourth edition which w3s written in 1933 and republished in 19.
He returned to empire and told john hahn of his discovery. Further finds in 1859 prompted the pikes peak gold rush which eventually yielded 1. If you go west 9 miles and 6 mile east of the colorado river, along west side of the dome mountains, extensive placers and several lode mines with a total production between 18621934, of about 100,000 gold ounces from dry wash placers and 4,000 ounces of lode gold from area veins. Year gold creek level denver dolores river downstream drift mines durango engineering and mining flume ft thick geology glacier gold placers grade gravels gravels beneath. These books have set the national standard for geologic guidebooks and are an essential. Publication covers placers and where they derived from in park county colorado, a rich placer area once mined by river dredges. Colorado placers and placering book robs detectors.
Placer gold in southwestern colorado new mexico geological. To recover gold from lodes, miners have to blast, mill, or treat the rock with chemicals to recover the gold inside. The book also includes a map showing the major placers, production and relates back to the book for more detailed info on each district placer production, directions, size of gold ect. Gold placers and their geologic environment in northwest park county, colorado. Gold au c 20012005 mineral data publishing, version 1 crystal data.
Owing patly to this fact and partly to a public interest in gold, the. Placer gold deposits of arizona book includes map rob. Published by the state of colorado 1992 this book has history and maps to all of the areas that produced placers along with some old photos of some of the workings. The book includes great, detailed information along with maps of some counties. Enter your mobile number or email address below and well send you a link to. The history of the leadville district began in april 1860, with one of the richest discoveries of colorado placer gold at california gulch, the site of oro city. Gold placers of colorado book 1 it says in march 1, 1874, the denver rocky mountain news stated that william mcknight. You can walk right to the location and be mining without the wasting your valuable time and gas driving around looking. Get the best deals on gold mining book when you shop the largest online selection at. The author has been a recreational prospector since 1960.
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