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General geology of the Verdugo Mountains


Judson, Jack F. (1934) General geology of the Verdugo Mountains. Bachelor's thesis, California Institute of Technology.


The Verdugo Mountains is a horst bounded on the south and west by reverse faults and on the north by normal faults. These faults are not simple fractures, but are zones including a number of parallel faults. The Verdugo block is not a simple horst, however, but is a composite one, being divided into three main blocks by normal faults which belong to a later period than the reverse faulting. Structurally, the Verdugo Mountains is a part of the San Gabriel Range, and also should include the San Rafael Hills which are only separated from these mountains by Verdugo Canyon. The western part of these mountains is overlain by Miocene and Pliocene sediments folded into a number of small folds, which, however, are merely flexures on the south limb of an overturned syncline whose axis is across Tujunga Wash. These sediments are largely marine, although fan-glomerates make up a large part of these. The basal conglomerate has a basalt flow intercalated in it.

Item Type:Thesis (Bachelor's thesis)
Subject Keywords:Geology
Degree Grantor:California Institute of Technology
Division:Geological and Planetary Sciences
Major Option:Geological and Planetary Sciences
Thesis Availability:Public (worldwide access)
Research Advisor(s):
  • Maxson, John H.
Thesis Committee:
  • Unknown, Unknown
Defense Date:1 January 1934
Record Number:CaltechTHESIS:12152009-111344951
Persistent URL:
Default Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:5445
Deposited By: Tony Diaz
Deposited On:24 Dec 2009 19:38
Last Modified:26 Dec 2012 03:19

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