| Table 1 | ||||||||||
| Rock varnish sampling sites, oldest layering sequences, and VML age estimates for late Quaternary geomorphic features in the western USA drylands | ||||||||||
| Sample site | Latitude (N) and | Altitude | Oldest varnish layering | VML age | Type | Reference | Geomorphic context | |||
| and label | longitude (W) | (m msl)a | sequence observed | (ka) | VML image | age (ka) | and reference | |||
| Death Valley | ||||||||||
| Galena Canyon fan | ||||||||||
| A | 36°01'16"/116°53'59" | 365 | LU-1/…/LU-3/LU-4 (WP3) | 30 | Fig. 8A | 12 - 70 | Q2c fan surface (Bull, 1991) | |||
| B | 36°01'17"/116°52'51" | 200 | LU-1/…/LU-3/LU-4 (WP6) | 60 | Fig. 8B | 12 - 70 | Q2c fan surface (Bull, 1991) | |||
| C | 36°01'26"/116°54'00" | 355 | LU-1/…/LU-3/LU-4 (WP6) | 60 | Fig. 8C | 12 - 70 | Q2c fan surface (Bull, 1991) | |||
| D | 36°01'47"/116°52'51" | 185 | LU-1/…/LU-4/LU-5 (WP6+) | 74 - 85 | Fig. 8D | 70 - 200 | Q2b fan surface (Bull, 1991) | |||
| E | 36°01'13"/116°54'01" | 375 | LU-1/…/LU-5/LU-6 (WP12) | 165 | Fig. 8E | 70 - 200 | Q2b fan surface (Bull, 1991) | |||
| F | 36°01'37"/116°53'33" | 285 | LU-1/…/LU-7/LU-8 (WP19) | 276 | Fig. 8F | 400 - 730 | Q2a fan surface (Bull, 1991) | |||
| G | 36°01'41"/116°53'05" | 220 | LU-1/…/LU-4/LU-5 (WP6+) | 74 - 85 | Figs. 5C,D | 70 - 200 | Q2b fan surface (Bull, 1991) | |||
| Hanaupah Canyon fan | ||||||||||
| HC-1 | 36°14'20"/116°53'28" | -30 | LU-1/…/LU-3/LU-4 (WP3) | 30 | Fig. 10B | 12 - 70 | Q2c fan surface (Bull, 1991) | |||
| HC-2 | " | -30 | LU-1/…/LU-3/LU-4 (WP3) | 30 | 12 - 70 | " | ||||
| HC-3 | " | -30 | LU-1/…/LU-3/LU-4 (WP3) | 30 | 12 - 70 | " | ||||
| Six Spring Canyon fan | ||||||||||
| SS-1 | 36°02'23"/116°54'34" | 410 | LU-1/…/LU-7/LU-8 (WP20) | 295 | Figs. 5E,F | 400 - 730 | Q2a fan surface (Bull, 1991) | |||
| Warm Spring Canyon fan | ||||||||||
| WS-1 | 35°59'47"/116°48'27" | -20 | LU-1/…/LU-3/LU-4 (WP6) | 60 | Fig. 5B | 12 - 70 | Q2c fan surface (Bull, 1991) | |||
| WS-2 | 35°59'56"/116°49'57" | 78 | LU-1/…/LU-3/LU-4 (WP6) | 60 | 12 - 70 | " | ||||
| Cima volcanic field | ||||||||||
| CM-1 | 35°19'59"/115°50'01" | 795 | LU-1/…/LU-4/LU-5 (WP6+) | 74 - 85 | Fig. 10C | 80 - 85 | Qf3 fan surface (Wells et al., 1995) | |||
| Silurian Valley | ||||||||||
| SV-1 | 35°34'46"/116°13'34" | 215 | LU-1 (WH10) | 9.4 | Fig. 10A | > 9 - 15 | Qia fan surface (Mahan et al., in press) | |||
| SV-2 | " | 215 | LU-1 (WH10) | 9.4 | > 9 - 15 | " | ||||
| Yucca Mountain | ||||||||||
| YM-1 | 36°49'25"/116°28'08" | 1390 | LU-1/…/LU-3/LU-4 (WP5) | 46 | Fig. 11B | ~ 660 | Colluvial boulder deposits | |||
| YM-2 | " | 1390 | LU-1/…/LU-3/LU-4 (WP5) | 46 | ~ 660 | (Whitney and Harrington, 1993) | ||||
| YM-3 | " | 1390 | LU-1/…/LU-3/LU-4 (WP5) | 46 | ~ 660 | " | ||||
| a Estimate is based on the altitude reading of each sampling site from Google Earth's Europa satellite images (2007) and may be subject to an uncertainty of ± 5 m. | ||||||||||