Fine-Grained Volcanic (FGV) GIS and Source Mapping Information
The table of decimal degrees (DD) longitude and latitude coordinates below is intended (1) for use in the GIS mapping of fine-grained volcanic (FGV) sources, and (2) for determining the distance from a source to an archaeological site or artifact location. When multiple coordinates are listed for the same geochemical source location, this indicates that characterized samples that were correlated with the source were collected at more than one locale. In the case of some sources associated with large volcanic ashflows or with fluvial/pluvial systems, the geographic range and the boundaries of a source may be considerable and the calculation of a firm distance figure may be difficult to impossible. In this case, we suggest that you use the closest reported outcrop to calculate the distance. Please note that the locations recorded below are only those at which geologic source have been collected - the actual geographic range of any specific source may be incompletely represented by the sample locations.
The sources listed below in bold are those that trace element investigations indicate are particularly suitable candidates for archaeological provenance studies and that appear in the archaeological record. It is only these sources that we are currently attempting to correlate with geochemically-characterized FGV artifacts.
For GIS information about U.S. obsidian sources, click HERE. |
FINE-GRAINED VOLCANIC (FGV) SOURCE |
LONGITUDE - LATITUDE |
COMMENTS |
Adobe Mountain, Maricopa County |
-112.11, 33.69 |
-- |
Black Tank, Coconino County |
-112.69, 35.64 |
-- |
Frenchy Hill, Coconino County |
-112.05, 35.32 |
-- |
Lone Butte, Maricopa County |
-112.03, 33.26 |
-- |
McDowell Mountain, Maricopa County |
-111.78, 33.57 |
AZ U:5:78 (ASM) |
Moon Mountain, Maricopa County |
-112.10, 33.62 |
Moon Mountain East |
Presley Wash, Coconino County |
-112.53, 35.34 |
-- |
Saddle, Maricopa County |
-112.16, 33.67 |
-- |
Shaw Butte, Maricopa County |
-112.10, 33.60 |
Shaw Butte |
Stone Camp, Yavapai County |
-111.86, 34.11 |
-- |
Terrace Garden, Maricopa County |
-112.23, 33.73 |
-- |
West Wing Mountain, Maricopa County |
-112.25, 33.75 |
AZ T:8:63 (ASM) |
Arrowstone |
-121.24, 50.94 |
-- |
Cache Creek |
-121.25, 50.85 |
-- |
Hat Creek |
-121.58, 50.77 |
-- |
Maiden Creek |
-121.58, 50.93 |
-- |
Watts Point |
-123.24, 49.55 |
Porteau Cove
Also see Washington FGV sources |
Alder Hill, Nevada County |
-120.17, 39.37 |
-- |
Alturas Airport Unknown, Modoc County |
-120.56, 41.49 |
-- |
Boca Ridge, Placer County |
-120.07, 39.41 |
-- |
Boca Spring, Nevada County |
-120.07, 39.43 |
-- |
Davies Creek, Placer County |
-120.22, 39.50 |
-- |
Dogwood, Plumas County |
-120.99, 39.76 |
-- |
Douds Landing, Calaveras County |
-120.32, 38.21 |
-- |
Emigrant Ridge, Plumas County |
-121.01, 39.78 |
-- |
Fillmore Hill, Sierra County |
-120.75, 39.47 |
-- |
Gold Lake, Plumas and Sierra Counties |
-120.68, 39.68 |
Gold Lake |
Goldstone, San Bernardino County |
-116.89, 35.38 |
-- |
Humbug, Butte and Plumas Counties |
-121.48, 40.11 |
Jonesville Quarry |
Independence Lake, Nevada and Placer Counties |
-120.26, 39.44 |
Kate's Quarry |
Martis Creek, Placer County |
-120.15, 39.30 |
CA-PLA-735 |
Meathouse Meadow, Sierra County |
-120.32, 39.47 |
Quarry site |
Mesquite Flat, Inyo County |
-117.41, 36.43 |
-- |
Morgan Valley, Lake County |
-- |
-- |
Nelson, San Bernardino County |
-116.78, 35.43 |
-- |
Putnam Peak, Solano and Butte Counties |
-122.04, 38.45 |
Putnam Peak |
Sawtooth Ridge, Placer County |
-120.19, 39.25 |
Sawtooth Ridge |
Secret Meadow, Sierra County |
-120.26, 39.47 |
05-17-56-156 |
Siegler Creek, Lake County |
-122.61, 38.92 |
-- |
Siegfred Canyon Ridge, Plumas County |
-120.48, 40.04 |
-- |
Watson Creek, Placer County |
-120.10, 39.21 |
Watson Creek area |
Bellows Air Force Base, Oahu |
-- |
-- |
Makua-19 Basalt Dike, Oahu |
-- |
-- |
Mauna Kea Adze Quarry, Island of Hawaii |
-- |
-- |
Saddle Road Flows, Island of Hawaii |
-- |
-- |
King Hill Creek, Elmore County |
-115.14, 43.08 |
Hog Creek |
Alkali Creek, Humboldt County |
-117.47, 41.70 |
-- |
Antelope Valley, White Pine County |
-114.23, 40.11 |
-- |
Badlands, Elko and White Pine Counties |
-114.08, 40.19 |
Deep Creek Area
Also see Utah FGV sources |
Coleman, Washoe County |
-119.37, 40.31 |
-- |
Coyote Spring, Washoe County |
-119.51, 41.60 |
Coyote Spring |
Deep Creek, Elko County |
-114.15, 40.28 |
Deep Creek Area
Also see Utah FGV sources |
Diamond Mountains, Eureka and White Pine Counties |
-115.95. 39.35 |
26-EU-5 |
Fire Creek, Eureka and Lander Counties |
-116.63, 40.46 |
Fire Creek |
Granite Point, Pershing County |
-118.45, 40.11 |
-- |
Horse Canyon, Eureka County |
-116.50, 40.13 |
-- |
Incline Ridge, Washoe County |
-119.93, 39.28 |
-- |
North Dry Valley, Washoe County |
-119.85, 40.38 |
26-WA-6363 |
North Spring, Washoe County |
-115.37, 39.48 |
26-WP-5373 |
Paiute Meadows Variety A and Variety B, Humboldt County |
-118.94, 41.26 |
Approximate location - sources are Known only from characterized artifacts |
Smith Valley (Gleason Creek), White Pine County |
-115.15, 39.40 |
Jakes Valley |
Steamboat Hills, Washoe and Story Counties |
-119.89, 39.38 |
Washoe County |
Agency Mountain, Malheur County |
-118.21, 43.91 |
-- |
Beaver Creek, Deschutes County |
-121.53, 45.07 |
Beaver Creek Quarry |
Black Bull Spring, Malheur County |
-- |
-- |
Buchanan, Harney County |
-118.58, 43.66 |
-- |
Condon Butte, Lane County |
-121.83, 44.22 |
-- |
Deadman Creek, Harney County |
-118.25, 43.30 |
-- |
Dry Creek Canyon, Malheur County |
-117.74, 43.51 |
King Brown Cabin Area |
Freezeout Lake, Malheur County |
-117.47, 43.63 |
Freezeout Lake |
Inman Creek, Lane County |
-- |
-- |
Lizard Creek, Lake County |
-120.31, 43.74 |
Lizard Creek Drainage |
North Grassy Mountain, Malheur County |
-117.32, 43.64 |
North Grassy Mountain |
Oxbow Basin, Malheur County |
-117.32, 43.64 |
-- |
South Paulina Peak, Deschutes Malheur County |
-- |
-- |
Stockhoff (Quarry), Union County |
-118.12, 45.34 |
-- |
Swamp Creek, Malheur County |
-118.17, 43.33 |
-- |
Twin Springs Bench, Malheur County |
-117.42, 43.61 |
-- |
Venator, Malheur County |
-117.78, 43.45 |
Wildcat Creek Area |
Warner Valley, Harney County |
-119.92, 42.74 |
-- |
Willow Butte, Harney County |
-118.46, 42.15 |
-- |
Badlands, Tooele County |
-113.33, 40.44 |
Wildcat Mountain
Also see Nevada FGV sources |
Cedar Mountains, Tooele County |
-112.93, 40.29 |
-- |
Deep Creek, Tooele County |
-114.04, 40.18 |
Deep Creek Area
Also see Nevada FGV sources |
Ferber Wash, Tooele County |
-113.98, 40.39 |
Deep Creek Area |
Flat Hills, Tooele County |
-112.74, 40.19 |
Manookin Gravel Pit |
Gold Hill Wash, Tooele County |
-113.84, 40.13 |
Deep Creek Area |
Grayback Hills, Tooele County |
-113.12, 40.73 |
-- |
Rydalch Canyon, Tooele County |
-113.00, 40.45 |
Rydalch Canyon |
Watts Point, Clallam and San Juan Counties |
-122.88, 48.43 |
Agate Beach (Lopez Island)
Also see British Columbia FGV sources |