Earth:Round Top
| Round Top | |
|---|---|
 | |
| Highest point | |
| Elevation | 1,764 ft (538 m) NAVD 88[1] |
| Coordinates | [ ⚑ ] : 37°51′00″N 122°11′34″W / 37.850084094°N 122.192822678°W [1] |
| Geography | |
  Round Top Contra Costa County, California , United States  Round Top Round Top (the United States) | |
| Parent range | Diablo Range |
| Topo map | USGS Oakland East |
Round Top is an extinct volcano in the Berkeley Hills, just east of Oakland, California. The peak lies entirely within the bounds of Contra Costa County. In 1936, the area surrounding the peak was established as Round Top Regional Park, one of the first three parks of the East Bay Regional Parks District. The park was renamed Sibley Volcanic Regional Preserve for the second president of the park district (1948 to 1958), Robert Sibley, shortly after his death in 1958.
The eruptions that lead to Round Top started 10.2 Million years ago[2] and ended more than a million years later.[3] Two main vents of the old volcano are known, one is now under the Lawrence Berkeley National Laboratory, the other is Round Top. The Round Top vent has, over the years, fallen sideways.[4]
See also
- Robert Sibley Volcanic Regional Preserve
- List of summits of the San Francisco Bay Area
References
- ↑ 1.0 1.1 "Round Top". NGS data sheet. U.S. National Geodetic Survey. https://www.ngs.noaa.gov/cgi-bin/ds_mark.prl?PidBox=HT2546.
- ↑ Slack, Gordy (April 1, 2005). "Voice of the Volcano". Bay Nature. https://baynature.org/article/voice-of-the-volcano/.
- ↑ Rademacher, Horst (January 6, 2012). "From the Inside Out". Bay Nature. https://baynature.org/article/from-the-inside-out/.
- ↑ Slack, Gordy (April 1, 2005). "Voice of the Volcano". Bay Nature. https://baynature.org/article/voice-of-the-volcano/.
External links
- "Round Top". United States Geological Survey. https://geonames.usgs.gov/apex/f?p=gnispq:3:::NO::P3_FID:231972.
- "Sibley Volcanic Regional Preserve". East Bay Regional Parks District. http://www.ebparks.org/parks/sibley. Retrieved 2009-08-16.
- "A Self-guided Tour of Round Top Volcanoes". East Bay Regional Parks District. http://www.ebparks.org/Assets/_Nav_Categories/Parks/Maps/Sibley+map.pdf. Retrieved 2017-10-12.
- "A Self-guided Tour of Round Top Volcanoes (continued)". East Bay Regional Parks District. http://www.ebparks.org/Assets/_Nav_Categories/Parks/Maps/Sibley+text.pdf. Retrieved 2017-10-12.
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