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The Aberdeen Quarry is an abandoned
granite Granite () is a coarse-grained ( phaneritic) intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and alkali metal oxides that slowly cools and solidifies under ...
quarry A quarry is a type of open-pit mine in which dimension stone, rock, construction aggregate, riprap, sand, gravel, or slate is excavated from the ground. The operation of quarries is regulated in some jurisdictions to reduce their envir ...
in Gunnison County,
Colorado Colorado (, other variants) is a state in the Mountain states, Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the wes ...
. It is located along South Beaver Creek, south-southwest of Gunnison. The Aberdeen Quarry was most active from 1889 to 1892 as it supplied granite for the construction of the Colorado State Capitol Building. During this three-year period, the small town of Aberdeen supported the work at the quarry. Afterward, smaller amounts of granite were sporadically quarried for at least three decades. The abandoned quarry and associated town site are now owned by a local historical society, and the quarry is a Gunnison County Historic Landmark. The quarry was named after
Aberdeen Aberdeen (; sco, Aiberdeen ; gd, Obar Dheathain ; la, Aberdonia) is a city in North East Scotland, and is the third most populous city in the country. Aberdeen is one of Scotland's 32 local government council areas (as Aberdeen City), and ...
, the granite-producing city in
Scotland Scotland (, ) is a Countries of the United Kingdom, country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a Anglo-Scottish border, border with England to the southeast ...
.


Geology

The Aberdeen Quarry is located on the southwest rim of a -wide
ring dike A ring dike or ring dyke is an intrusive igneous body that is circular, oval or arcuate in plan and has steep contacts. While the widths of ring dikes differ, they can be up to several thousand meters. The most commonly accepted method of ring dik ...
, part of what is called the Gunnison annular complex. The dike was intruded into Protozoic
metamorphic rock Metamorphic rocks arise from the transformation of existing rock to new types of rock in a process called metamorphism. The original rock ( protolith) is subjected to temperatures greater than and, often, elevated pressure of or more, caus ...
, primarily amphibolite and metasandstone, approximately 1.7 billion years ago. Erosion and removal of younger, overlying rock and the adjacent Proterozoic metamorphic rock has exposed the dike, which is composed of
tonalite Tonalite is an igneous, plutonic ( intrusive) rock, of felsic composition, with phaneritic (coarse-grained) texture. Feldspar is present as plagioclase (typically oligoclase or andesine) with alkali feldspar making up less than 10% of the total ...
,
granodiorite Granodiorite () is a coarse-grained ( phaneritic) intrusive igneous rock similar to granite, but containing more plagioclase feldspar than orthoclase feldspar. The term banatite is sometimes used informally for various rocks ranging from gr ...
, and granite. The quarry was within a map unit of tonalite and granodiorite when mapped by geologists in 2001.


History

In April 1889, local stonemason Fredrick G. Zugelder filed a claim on an outcrop of granite looming above South Beaver Creek outside of Gunnison. Zugelder recognized the quality of the granite and presented a sample from the claim to managers who were tasked with choosing the stone for the exterior of the State Capitol Building being built in
Denver Denver () is a consolidated city and county, the capital, and most populous city of the U.S. state of Colorado. Its population was 715,522 at the 2020 census, a 19.22% increase since 2010. It is the 19th-most populous city in the Unit ...
. The building managers examined dozens of rock samples from across the state and considered the quarries and their respective capacities to supply the needed granite in just a few-years time. On June 26, 1889, it was announced that the Zugelder Quarry granite would be used to construct the superstructure the State Capitol Building. Within days, Scotsman David Duff Seerie (one of the capitol contractors), Zugelder, and Zugelder's cousin filed a claim to the quarry. This claim gave the quarry the name ''Aberdeen''. William Geddes and Seerie had been contracted to build the capitol's superstructure and it was this firm that oversaw the quarrying at Aberdeen. Zugleder served in several roles at the quarry including yard foreman. Work was quick and quarrying was underway within weeks. Wagon roads provided access to the Aberdeen Quarry, but the quarried stone would need to be shipped to Denver by rail. A narrow-gage
Denver and Rio Grande The Denver & Rio Grande Western Railroad , often shortened to ''Rio Grande'', D&RG or D&RGW, formerly the Denver & Rio Grande Railroad, was an American Class I railroad company. The railroad started as a narrow-gauge line running south from De ...
line passed approximately north of the quarry, and the railroad agreed to build, at their own expense, a spur to the quarry. Construction of the spur began on June 30, 1889, and within a month the spur allowed delivery of needed quarrying equipment. By August 1, 50 to 60 workers were working the quarry, and on August 14, the first load of granite left Aberdeen bound for Denver. The small community of Aberdeen arose along South Beaver Creek near the quarry, and it is estimated that the population ranged from 150 to 200 people during the three years the Capitol granite was quarried. The Aberdeen Post Office served the community in 1890 and 1891. There was a small school and a general store. Many of the workers lived in a large bunk house and ate in a meal hall. Others, particularly those with families, lived in cabins and tents. Nearly all the skilled quarrymen were recruited from elsewhere, including
Maine Maine () is a state in the New England and Northeastern regions of the United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Canadian provinces of New Brunswick and Quebec to the northeast and ...
,
Massachusetts Massachusetts (Massachusett: ''Muhsachuweesut Massachusett_writing_systems.html" ;"title="nowiki/> məhswatʃəwiːsət.html" ;"title="Massachusett writing systems">məhswatʃəwiːsət">Massachusett writing systems">məhswatʃəwiːsət'' En ...
,
Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
, and
Missouri Missouri is a state in the Midwestern region of the United States. Ranking 21st in land area, it is bordered by eight states (tied for the most with Tennessee): Iowa to the north, Illinois, Kentucky and Tennessee to the east, Arkansas t ...
. The skill of these quarrymen was apparent when the quarrymen union called a strike in June 1891. Among the quarrymen's demands were a reduction in work hours from 10 hours a day to nine hours a day and to have Sundays off. They also asked for the same weekly pay. Contractors Geddis and Seerie resisted and chose to hire non-union workers to replace the strikers. Production was so low that in just one week's time, the company asked for a settlement. Most of the strikers’ demands were met and they returned to work the next day. The granite blocks shipped to Denver were large, some weighing 10 or 12 tons. The largest block shipped weighed 20 tons; it was to become the building's cornerstone, which was laid with much ceremony on July 4, 1890. An average of 40 carloads of stone were shipped weekly during the three years of production. Once the blocks arrived in Denver, horses hauled the stone to the building site. A crew of 250 workmen, including stone cutters and stone setters, prepared and placed the stones. The architect's plan called for approximately 20,000 different sizes and shapes of stone. On June 15, 1892, the last stones had shipped and the Aberdeen Quarry operation closed. During the 34 months of production, it is estimated that or 24,000 tons of granite was quarried and shipped to Denver. The operators of the quarry looked for other markets, but no need for granite was found that would justify keeping the quarry open. Quickly, the town of Aberdeen was vacated, and it never was repopulated. The Denver and Rio Grand Railroad vacated the spur to Aberdeen and the tracks were removed in 1904. Without rail access, any hope of reopening the quarry was minimal. Through the following decades, granite was quarried for much smaller projects including commercial and residential buildings and grave headstones. Stone for the first-floor columns and entrance archway was quarried for the Kearns Building in
Salt Lake City Salt Lake City (often shortened to Salt Lake and abbreviated as SLC) is the capital and most populous city of Utah, United States. It is the seat of Salt Lake County, the most populous county in Utah. With a population of 200,133 in 2020, th ...
, which was completed in 1911. Possibly the last larger project was in 1912 when the quarry supplied granite for the foundation of the State Museum in Denver. At this time it was estimated these additional quarrying efforts produced of stone. In total, from 1889 to 1912, the quarry produced or 24,500 tons of granite. The amount of stone produced after 1912 was minimal and sporadic.Information on the quarrying of granite for use in the Kearns Building comes from Karl H. Zugelder (1885-1963), who as interviewed in 1958 by Ann D. Zugleder, and Frank W. Zugelder (1886-1972), who was interviewed in 1967 by Robert J. Johnson. Both men worked the quarry during the time the stone was removed and transported to Salt Lake City, about 1908. Accounts of these interviews are included in Ann Zugelder’s compilation.


Access to Aberdeen

In 1991, the quarry was deeded to the Gunnison County Pioneer and Historical Society. The property is located within the Bureau of Land Management’s Hartman Rocks Recreation Area, a network of four-wheel drive roads and mountain bike and motorcycle trails. From a parking area above the quarry on Powerline Road, visitors can walk down to the quarry itself. The old Aberdeen town site just west of the quarry can also be visited though no buildings remain. Access is best during summer and fall.Information on roads and trails within the Hartman Rocks Recreation Area is available a
Colorado Trail Explorer
Accessed 2021-07-23


References


External links

* {{Commons category-inline, Aberdeen Quarry
Aberdeen, Colorado as viewed in 1955.
Photo by Robert W. Richardson. Quarries in the United States Granite quarries Gunnison County, Colorado