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Skyscraper Mountain (Alaska)

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Mountain in Alaska, United States
Skyscraper Mountain
East aspect
Highest point
Elevation4,784 ft (1,458 m)
Prominence225 ft (69 m)
Parent peakBullion Mountain
Isolation1.24 mi (2.00 km)
Coordinates61°46′45″N 149°18′09″W / 61.7791535°N 149.3023821°W / 61.7791535; -149.3023821
Geography
Skyscraper Mountain is located in AlaskaSkyscraper MountainSkyscraper MountainLocation in Alaska
Interactive map of Skyscraper Mountain
CountryUnited States
StateAlaska
BoroughMatanuska-Susitna
Parent rangeTalkeetna Mountains
Topo mapUSGS Anchorage D-7
Climbing
Easiest routeTrail

Skyscraper Mountain is a 4,784-foot-elevation (1,458-meter) summit in Alaska, United States.

Description

Skyscraper Mountain is located 14 miles (22.5 km) northwest of Palmer, Alaska, in the Talkeetna Mountains, on land managed as the Hatcher Pass Management Area of the state park system. It is also immediately north of Hatcher Pass and southwest of the Independence Mine State Historic Park. Precipitation runoff from this mountain's east slope drains to the nearby Little Susitna River via Fishhook Creek, whereas the west side drains to the Susitna River via Willow Creek. Topographic relief is significant as the summit rises 1,780 feet (543 meters) above Fishhook Creek in 0.8 miles (1.3 km). Access is via the Palmer-Fishhook Road (also called Hatcher Pass Road), and a 2.2-mile trail (round-trip) gains 1,170 feet of elevation to reach the summit. The Martin Mine located on the mountain's northeast slope was the site of the first gold quartz discovery in the Willow Creek mining district made in 1906 by Robert Lee Hatcher (1867–1950), and it produced 27,150 ounces of gold from 1906 to 1931. This mountain's descriptive toponym has been officially adopted by the United States Board on Geographic Names as reported in 1942 by U.S. Geological Survey, however the name has been in publications since at least 1914.

Geology

The Willow Creek mining district at Hatcher Pass is historically the third-largest lode-gold producing district in Alaska, having produced 624,000 ounces of gold. Mining of placer gold deposits began in 1906. Hardrock gold mining began a few years later from high-grade vein lode deposits.

The Willow Creek mining district lies at the southwestern edge of a great mass of granitic intrusions that form much of the Talkeetna Mountains and is within the Wrangellia composite terrane. At Hatcher Pass a pervasively altered zoned 74 million years old quartz diorite to tonalite pluton underlies the headwaters of Willow Creek and Fishhook Creek, with most of the gold deposits occurring in these rocks. A 67 Ma quartz monzonite pluton lies west and north of the older quartz diorite; a Cretaceous quartz diorite pluton lies to the east. South of Bullion Mountain, a high angle east–west fault passing through Hatcher Pass separates plutonic rocks on the north side of the fault from schist south of the fault.

Climate

Based on the Köppen climate classification, Skyscraper Mountain is located in a subarctic climate zone with long, cold, snowy winters, and short cool summers. Winter temperatures can drop below 0 °F with wind chill factors below −10 °F. The months of May through June offer the most favorable weather for climbing or viewing.

Gallery

  • East ridge in winter East ridge in winter
  • Summit of Skyscraper Mountain, camera pointed south Summit of Skyscraper Mountain, camera pointed south
  • View from Skyscraper Mountain. On the horizon are Mount Foraker and Denali. The reddish ridge with switchbacks is part of Bullion Mountain. View from Skyscraper Mountain. On the horizon are Mount Foraker and Denali. The reddish ridge with switchbacks is part of Bullion Mountain.

See also

References

  1. ^ U.S. Geological Survey Geographic Names Information System: Skyscraper Mountain
  2. ^ "Skyscraper Mountain, Alaska". Peakbagger.com. Retrieved 2024-09-28.
  3. "Skyscraper Mountain - 4,775' AK". listsofjohn.com. Retrieved 2024-09-28.
  4. ^ Donald J. Orth, Dictionary of Alaska Place Names, U.S. Government Printing Office, 1967, p. 886.
  5. ^ Lisa Maloney, Day Hiking Southcentral Alaska, Mountaineers Books, 2019, ISBN 9781680510669.
  6. Investigations in Alaska Railroad Belt, 1931, Philip Sidney Smith, U.S. Government Printing Office, 1933, p. 215.
  7. Alaska Traveler, Dana Stabenow, Bloomsbury Publishing, 2022, ISBN 9781837931583
  8. Martin Mine, Willow Creek Mining District, Matanuska-Susitna Borough, Alaska, USA, mindat.org, Retrieved 2024-09-28.
  9. Mineral Resources of Alaska, Bulletin 592, US Geological Survey, US Government Printing Office, 1914, p. 257.
  10. "Age and Cooling History of Gold Deposits and Host Rocks in the Willow Creek Mining District, Talkeetna Mountains, South-Central Alaska". Archived from the original on 2016-03-04. Retrieved 2015-09-01.
  11. Ray, 1954, USGS Bulletin 1004, Geology and Ore Deposits of the Willow Creek Mining District, Alaska
  12. "Archived copy" (PDF). Archived from the original (PDF) on 2016-03-04. Retrieved 2015-09-08.{{cite web}}: CS1 maint: archived copy as title (link)
  13. "Archived copy" (PDF). Archived from the original (PDF) on 2016-12-24. Retrieved 2017-08-29.{{cite web}}: CS1 maint: archived copy as title (link)
  14. Peel, M. C.; Finlayson, B. L.; McMahon, T. A. (2007). "Updated world map of the Köppen−Geiger climate classification". Hydrol. Earth Syst. Sci. 11. ISSN 1027-5606.
  15. Denali FAQ, American Alpine Institute, alpineinstitute.com, Retrieved 2024-01-08.

External links

Places adjacent to Skyscraper Mountain (Alaska)
Bullion Mountain Bullion Mountain Independence Mine State Historic Park
Bullion Mountain Skyscraper Mountain Marmot Peak
Willow Creek Hatcher Pass Fishhook Creek
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