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| Source: Lágrimas de Apache Location: Near the mouth of the Colorado River Chemical Characterization: Panich et al. 2012; Panich, Michelini, and Shackley 2013 Archaeological Occurrences: El Mayor Other References: Panich, Michelini, Bendímez, and Shackley 2013; Téllez et al. 2013 Comments: This material occurs in small nodules measuring 2-5 cm; its prehistoric use may have been extremely limited. |
| Source: Unknown (Santa Catarina) Location: Unknown Chemical Characterization: (Panich, Michelini, and Shackley 2013) Archaeological Occurrences: Santa Catarina, Vallecitos, Piedras Gordas, Murillo Comments: The location of the geologic source has not been determined. |
| Source: San Felipe Location: On the east coast near San Felipe Chemical Characterization: (Bouey 1984:57; Panich et al. 2012; Panich, Michelini, and Shackley 2013) Archaeological Occurrences: Southwestern Alta California, Bahía de los Angeles, San Quintín-El Rosario Other References: Banks 1971; Panich, Michelini, Bendímez, and Shackley 2013 Comments: The location of the geologic source has not been determined. |
| Source: Arroyo Matomí Location: On the Gulf coast south of San Felipe Chemical Characterization: Shackley 2004a Archaeological Occurrences: Guerrero Negro Other References: Bouey 1984:55-56; Douglas 1981 |
| Source: Puerto el Parral Location: In the northern Sierra Santa Isabel, south of Arroyo Matomí Chemical Characterization: Moore 2001; Panich, Michelini, and Shackley 2013; Shackley 1998a, 1998b Archaeological Occurrences: San Quintín Comments: This is an eroded surface deposit with small nodules averaging 5-7 cm in length. This may be the same source as Arroyo Matomí. |
| Source: Kiekierly Location: On the Gulf coast, about 5 km south of Puertecitos Chemical Characterization: Panich, Michelini, and Shackley 2013 Archaeological Occurrences: Laguna Chapala Comments: The location of the geologic source has not been determined. |
| Source: El Regino Location: On the Gulf coast about 10 km south of Puertecitos Chemical Characterization: Panich, Michelini, and Shackley 2013 Archaeological Occurrences: In the vicinity of the source |
| Source: San Luis Gonzaga Location: On the east coast near San Luis Gonzaga Chemical Characterization: Shackley 1997 Archaeological Occurrences: Bahía de los Angeles Comments: Initially designated as Unknown D |
| Source: Isla Angel de la Guarda Location: On an island in the central Gulf of California; however, Thomas Bowen questions whether the true source of this chemical type is on Isla Angel de la Guarda Chemical Characterization: Shackley 1994 Archaeological Occurrences: Bahía de los Angeles, San Borja, Guerrero Negro |
| Source: Unknown A Location: not identified Chemical Characterization: (Shackley 1995) Archaeological Occurrences: San Borja, Bahía de los Angeles, Bahía Concepción Comments: Nodule and large core at Bahía de los Angeles suggests that the source may be near there |
| Source: Unknown C Location: not identified Chemical Characterization: (Shackley 1994) Archaeological Occurrences: Bahía de los Angeles |
| Source: Unknown D Location: not identified Chemical Characterization: (Shackley 1994) Archaeological Occurrences: Bahía de los Angeles |
| Source: Unknown E Location: not identified Chemical Characterization: (Shackley 1995) Archaeological Occurrences: Bahía de los Angeles |
| Source: Ensenada del Pescador Location: On the east coast southeast of Bahía de los Angeles Chemical Characterization: Shackley 1995 Archaeological Occurrences: Possible prehistoric use of obsidian at the source Comments: One nodule with a flake scar has been found |
| Source: Valle de Azufre Location: Near the east coast northeast of San Ignacio Chemical Characterization: Gutiérrez and Hyland 2002:316; Hyland 1997:262; Shackley et al. 1996:723; on line Archaeological Occurrences: Sierra de San Francisco, Vizcaíno Desert, Isla Cedros, Bahía Concepción, Bahía de los Angeles, San Javier Comments: This is the largest and most intensively exploited source known in Baja California. Other References: Hyland and Gutiérrez 1995b; Ritter and Payen 1992:263; Tuohy 1978:80 |
| Source: Punta Mangles Location: On the east coast north of Loreto Chemical Characterization: Bouey 1984:57 Archaeological Occurrences: Bahía Concepción Other References: Ritter 1979a:120; Shackley et al. 1996:727 |
