Buwalda Ridge, San Bernardino County, California, United States

Alternative Names:	Buwalda Ridge, Field Ridge
Type:	Ridge(s) - a long narrow elevation with steep sides, and a more or less continuous crest
Mindat.org Region:	San Bernardino County, California, USA
Region:	San Bernardino County, California, United States
Latitude:	34° 59' 11" N
Longitude:	116° 30' 8" W
Lat/Long (dec):	34.98665,-116.50239
Köppen climate type:	BSk : Cold semi-arid (steppe) climate
Elevation:	613m
Mindat Feature ID:	9682097
Long-form Identifier:	mindat:2:6:9682097:5
GUID:	0

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Mindat.org localities near to this feature

Locality	Latitude	Longitude	Distance
Overlook Mine, Soldier Mountain, San Bernardino County, California, USA	34° 57' 22" N	116° 27' 40" W	5.0km (3.1 miles)
Unnamed Au mine [234], Afton, San Bernardino County, California, USA	34° 58' 11" N	116° 25' 31" W	7.2km (4.5 miles)
Unnamed Au occurrence [264] (Unnamed prospect), Afton, San Bernardino County, California, USA	34° 58' 11" N	116° 25' 31" W	7.2km (4.5 miles)
Section 35 Gold-Copper Mine (Unnamed prospect), Afton, San Bernardino County, California, USA	34° 59' 44" N	116° 25' 9" W	7.6km (4.7 miles)
Soldier Mountain, San Bernardino County, California, USA	34° 56' 4" N	116° 34' 23" W	8.7km (5.4 miles)
Dunn, San Bernardino County, California, USA	35° 2' 41" N	116° 26' 16" W	8.8km (5.4 miles)
Unnamed Silica occurrence [2] (Unnamed Quartz occurrence), Afton, San Bernardino County, California, USA	34° 59' 28" N	116° 23' 58" W	9.4km (5.8 miles)
Stacsite Mine, Soldier Mountain, San Bernardino County, California, USA	34° 56' 0" N	116° 35' 0" W	9.5km (5.9 miles)
Clews Ridge occurrence, Alvord Peak, Alvord District, Alvord Mountain, San Bernardino County, California, USA	35° 4' 6" N	116° 32' 34" W	9.8km (6.1 miles)
Alvord Zeolite Prospect No. 62, Alvord Peak, Alvord District, Alvord Mountain, San Bernardino County, California, USA	35° 3' 59" N	116° 33' 59" W	10.6km (6.6 miles)
Alvin Nos. 41 and 43 prospect, Alvord Nos. 5; 7; 8; 10 prospects, Alvord Peak, Alvord District, Alvord Mountain, San Bernardino County, California, USA	35° 4' 24" N	116° 33' 13" W	10.7km (6.7 miles)
Afton Canyon deposit (Kings; Masson; Erisman; Florite Canyon; Bighorn Number 9; Afton Fluorspar; Randall), Afton Canyon, Afton, San Bernardino County, California, USA	34° 59' 53" N	116° 23' 4" W	10.8km (6.7 miles)
Wide Valley Agate occurrence, San Bernardino County, California, USA	34° 55' 0" N	116° 24' 59" W	11.0km (6.9 miles)
Unnamed Clay prospect [3], San Bernardino County, California, USA	34° 53' 25" N	116° 31' 59" W	11.1km (6.9 miles)
Alvord Zeolite prospect No. 41, Alvord Peak, Alvord District, Alvord Mountain, San Bernardino County, California, USA	35° 3' 59" N	116° 34' 29" W	11.1km (6.9 miles)
Unnamed Borate prospect [5], Alvord Peak, Alvord District, Alvord Mountain, San Bernardino County, California, USA	35° 4' 5" N	116° 34' 36" W	11.3km (7.0 miles)
Unnamed Fluorspar occurrence [5], Afton, San Bernardino County, California, USA	34° 59' 58" N	116° 22' 44" W	11.3km (7.0 miles)
Alvord Zeolite prospect No. 54, Alvord Peak, Alvord District, Alvord Mountain, San Bernardino County, California, USA	35° 3' 59" N	116° 35' 0" W	11.6km (7.2 miles)
Alvin Nos. 62-64 prospect, Alvord Nos. 5; 7; 8; 10 prospects, Alvord Peak, Alvord District, Alvord Mountain, San Bernardino County, California, USA	35° 4' 46" N	116° 33' 47" W	11.7km (7.3 miles)
Afton, San Bernardino County, California, USA	35° 2' 11" N	116° 22' 46" W	12.5km (7.7 miles)
Green Island Quarry, Dunn, San Bernardino County, California, USA	35° 5' 15" N	116° 26' 27" W	12.6km (7.8 miles)
Unnamed Jasper prospect [1], Alvord Peak, Alvord District, Alvord Mountain, San Bernardino County, California, USA	35° 3' 47" N	116° 36' 21" W	12.7km (7.9 miles)
Alvord Zeolite prospect No. 76, Alvord Peak, Alvord District, Alvord Mountain, San Bernardino County, California, USA	35° 4' 59" N	116° 35' 0" W	13.0km (8.1 miles)
Green Mountain Quarry (Dunn Quarry), Dunn, San Bernardino County, California, USA	35° 5' 33" N	116° 26' 24" W	13.1km (8.1 miles)
Massen occurrence, Afton, San Bernardino County, California, USA	35° 1' 37" N	116° 22' 3" W	13.1km (8.1 miles)
Unnamed Au-Stone prospect [1], Dunn, San Bernardino County, California, USA	35° 5' 37" N	116° 26' 32" W	13.1km (8.1 miles)
Unnamed Au placer prospects [213], Dunn, San Bernardino County, California, USA	35° 5' 50" N	116° 26' 53" W	13.3km (8.3 miles)
GNP No. 1 Mine, Dunn, San Bernardino County, California, USA	35° 5' 46" N	116° 26' 24" W	13.4km (8.3 miles)
Unnamed Sericite-Talc mine [1], Dunn, San Bernardino County, California, USA	35° 6' 9" N	116° 27' 16" W	13.6km (8.4 miles)
Alvin Nos. 76 and 78 prospect, Alvord Nos. 5; 7; 8; 10 prospects, Alvord Peak, Alvord District, Alvord Mountain, San Bernardino County, California, USA	35° 5' 48" N	116° 34' 7" W	13.6km (8.5 miles)

Minerals recorded nearby (within 13.6 km)

ⓘ 'Clinoptilolite Subgroup'

Rock types recorded nearby (within 13.6 km)

Regions in mindat.org that contain this locality

Region	Type

North America	Continent
North America Plate	Tectonic Plate
Basin and Range Basins, North America Plate	Basin
Mojave Domain, North America Plate	Domain
Southern Basin and Range, North America Plate	Wide Rift
USA	Country
California, USA	State
San Bernardino County, California, USA	County
Mojave Desert, USA	Desert

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To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
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