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| Titel: |
Normal faulting in the Pathé geothermal area, Central Mexico |
| Auteur: |
Miguel Carrillo Martínez |
| Verschenen in: |
Geofísica internacional |
| Paginering: | Jaargang 37 (1998) nr. 2 pagina's 103-111 |
| Jaar: |
1998 |
| Inhoud: |
The Pathé geothermal area is located in Late Miocene to Pliocene volcanic rocks in a region of active normal faulting. These faults cluster in sets striking near E-W and close to N-S. The east-west fault set is the southern extension of the Aljibes half-graben whose master fault is curved and has a composite vertical offset of 480 m.Near-surface vertical displacement is up to 70 m, while E-W faulting is generally located along a 34 km long semielliptic area of plateau basalts and cinder cones. The N-S faulting defines the San Francisco graben, with vertical offsets of around 30 m, increasing up to 180 m below the surface. Neogene rocks are intruded by numerous roughly east-west trending dikes and north-south trending stocks. Steam production occurs at the intersection of the eastern San Francisco graben with east-west faulting. Hot spring activity is located on an E-W trending fault. Hydrothermal alterations along fault and fracture segments suggest earlier geothermal activity. |
| Uitgever: |
Universidad Nacional Autónoma de México, Instituto de Geofísica (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 64 van 94 gevonden artikelen
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