Paleomagnetic Investigation of Leyte and Biliran Island, Central Philippines
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Date
1986
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Abstract
Six sample sites were chosen from over 20 sites located on Biliran and Leyte islands in the central Philippines to determine whether or not rotations associated with either a collision between the Palawan continental terrane and the Philippine Archepelago or fault movement along the Philippine Fault had occurred. Sample analysis using a normalized sample magnetization as a function of demagnetizing field strength graph and a Zijderfeld diagram indicated that the samples were demagnetizing properly. Older sites, JL-71 and JB-37 showed clockwise rotation associated with an island arc collision, while younger samples, JB-17, JB-3, and possibly JL-26 indicated counterclockwise rotation in agreement with fault-related rotations.
Description
Program year: 1985/1986
Digitized from print original stored in HDR
Digitized from print original stored in HDR
Keywords
Philippines, Biliran island, Leyte island, Palawan continental terrane, Philippine Archipelago, sample magnetization, fault-related rotations