240 likes | 876 Views
GPH 492/692 FINAL PROJECT. Gravity and Magnetic Methods. California Wash & Astor Pass, Nevada. Presented By: Josh Beckwith Alison Dorsey Janina Stampahar Paul Schwering. Gravity Data Acquisition. Survey control established with precision theodolite measurements
E N D
GPH 492/692 FINAL PROJECT Gravity and Magnetic Methods California Wash & Astor Pass,Nevada Presented By: Josh Beckwith Alison Dorsey Janina Stampahar Paul Schwering
Gravity Data Acquisition • Survey control established with precision theodolite measurements • Gravity measured with precision L&R g-meter
Magnetic Data Acquisition • Utilized two Scintrex precision magnetometers, one stationary base unit, one roving unit • Survey control established with hand-held Garmin GPS unit
Astor Pass Survey Areas California Wash
California Wash Survey Area To Las Vegas
CALIFORNIA WASH
CALIFORNIA WASH
Gravity Profile Easting (m)
CALIFORNIA WASH 65 65 S=0.0005 S=0.0002
Astor Pass N Aerial Views Face ~E 1 km The Needles Astor Pass Tufa Tower ‘ W E 87°C 94°C 79°C 550 m Tufa Tower 90°C 93°C 116°C
Regional Geology Map w/ Gravity Contours (from Dr. Jim Faulds) Survey Area
Astor Pass Gravity Data Northing (m)
ASTOR PASS 70 70 80 85