| 词条 | Quartz Mountain (Douglas County, Oregon) |
| 释义 |
| name = Quartz Mountain | photo = | photo_caption = | elevation = 5524+ ft (1683+ m) | elevation_ref = {{NAVD88}}[1] | prominence = {{convert|800|ft|0|abbr=on}} | prominence_ref = [1] | range = Cascades | location = Douglas County, Oregon, U.S. | map = USA Oregon | map_caption = Location in Oregon | map_size = 240 | label = | coordinates = {{coord|43.163926964|N|122.672145156|W|type:mountain_region:US-OR_scale:100000_source:NGS|format=dms|display=inline,title}} | range_coordinates = | coordinates_ref = [2] | topo = USGS Quartz Mountain | type = | age = | volcanic_arc/belt = | last_eruption = | easiest_route = }}Quartz Mountain is a located {{convert|35|mi}} east of Roseburg in Douglas County, Oregon, United States.[1][3] Located within the Jackson Creek subbasin, a tributary of the South Umpqua River, Quartz Mountain rises to an elevation of {{convert|5200|ft|0}} in the Umpqua National Forest. It has a large deposit of high-purity silica.[4] The summit was the site of a Forest Service lookout tower until it was removed in 1970.[5] References1. ^1 2 {{cite peakbagger |pid=2438 |name=Quartz Mountain, Oregon |accessdate=August 8, 2011}} 2. ^{{cite ngs |pid=PC0858 |name=Quartz Mtn Lookout House |accessdate=2016-04-28}} 3. ^{{cite web |url=http://www.geody.com/geocoordist.php?world=terra&circum=&c1=43.163454%2C+-122.671992&c2=43.218056%2C+-123.356111 |title=Distance and Bearing between two coordinates |publisher=Geody.com |accessdate=August 8, 2011}} 4. ^{{cite web |url=http://www.oregongeology.org/pubs/OG/OBv22n11.pdf |title=The Quartz Mountain Silica Deposit, Oregon |date=Nov 1960 |publisher=Oregon Department of Geology and Mineral Industries |accessdate=14 June 2011}} 5. ^{{cite web |url=http://www.firetower.org/lookouts/Lookout.aspx?id=892 |title=Quartz Mountain Lookout Site |publisher=Forest Fire Lookout Association |accessdate=2016-04-27}} External links
3 : Mountains of Douglas County, Oregon|Mountains of Oregon|Umpqua National Forest |
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