'Magnetic anomalies' presentation slideshows

SCM 330 Ocean Discovery through Technology

SCM 330 Ocean Discovery through Technology. Area F GE. Chemical Oceanography. Chemistry of Seawater. Why is Ocean Chemistry Important?. Chemical Oceanography. Composition in atmosphere rarely changes from average because the mixing time is short

1.18k views • 71 slides

Geology Plate Tectonics Mid-Ocean Ridge System

Geology Plate Tectonics Mid-Ocean Ridge System Discovered from sea floor mapping with SONAR during and after World War II Largest geological feature on Earth Ridges displaced in some areas by transform faults Trenches Conspicuous sea floor features Especially common in the Pacific Ocean.

809 views • 66 slides

Gravity and Magnetic Mapping

Gravity and Magnetic Mapping. Gravity Map of Wisconsin. Gravity. Mean value about 9.8 m/sec 2 = 1 g About 0.5% smaller at equator than poles Map unit = gal (for Galileo) = 1 cm/sec 2 Mean gravity = 980 gal Maps contoured in mgal = 10 -6 g

979 views • 60 slides

THE THEORY OF PLATE TECTONICS

757 views • 54 slides

Sediments ... are unconsolidated particulate materials that either precipitate from or are depo-sited by a fluid (e.g.,

Sediments ... are unconsolidated particulate materials that either precipitate from or are depo-sited by a fluid (e.g., water, wind); provide information about the past depositional environments and climatic and tectonic conditions;

565 views • 40 slides

Marine Geology Tectonic History of Ocean Basins

Marine Geology Tectonic History of Ocean Basins Cande, S. C., and D. V. Kent, A new geomagnetic polarity time scale for the Late Cretaceous and Cenozoic, J. Geophy. Res., 1992. Kennett Chapt 6. Review: Basic tenants of plate tectonics

918 views • 36 slides

Magnetism

N. lost. Magnetism. W. E. S. Magnetic Dipole. Experiment: bar magnet, paper, iron filings. Iron filings will array themselves around the magnetic, along magnetic field lines. Magnet = dipole (two-pole magnet). The Earth as a Dipole.

522 views • 35 slides

Modeling Magnetic Anomalies

332 views • 30 slides

Bernard Brunhes Discovered rocks in France in 1906 with reversed magnetic polarity

624 views • 29 slides

Steve Sheriff Professor of Geophysics, University of Montana

Imaging Furniture, Graves, and Stone Rings at Depth: Recent Magnetic and Radar Results from the Northern Rockies. Steve Sheriff Professor of Geophysics, University of Montana. Collaborators include: Doug MacDonald , Department of Anthropology, University of Montana

422 views • 27 slides

Ways to measure deformation

relative plate velocities based on seafloor spreading rates and directions plus directions from earthquake slip vectors. Ways to measure deformation. Very Long Baseline Interferometry VLBI. Triangulation network in Mexico. Satellite Laser Ranging. Laser-based total station surveying. Scale

410 views • 26 slides

Changes in solar radiation are primary cause for climates to change ~10% change in solar radiation output can dramatical

386 views • 25 slides

Esci 203, Earthquakes & Earth Structure Geomagnetism

Esci 203, Earthquakes & Earth Structure Geomagnetism. John Townend EQC Fellow in Seismic Studies john.townend@vuw.ac.nz. Geophysics in the field. Overview. Importance for plate tectonics Some underlying physics Magnetic induction and the magnetic susceptibilities of common geomaterials

351 views • 24 slides

Magnetism and Sea-Floor Spreading

Magnetism and Sea-Floor Spreading. OCEA/ERTH 4110/5110. Introduction to Marine Geology. 1. Introduction and Definitions. typical hand compass only measures declination d , i.e. angle between horizontal field (H) and true north (spin axis). Components of a Vector Magnetic Field.

363 views • 19 slides

ERESE SUMMER WORKSHOP GROUP 2 PRESENTATION

ERESE SUMMER WORKSHOP GROUP 2 PRESENTATION. How do we identify mid ocean ridges? by Bruce, Clyda, Katie, Nancy, and Sandie With support from Bridget, Hillary, and Jill. HYPOTHESIS. The symmetry of magnetic anomalies can be used to determine the location of spreading centers.

204 views • 11 slides

Anatomy of Anomalies

Anatomy of Anomalies. Total Field Magnetics and Ground Penetrating Radar at a Potential Archaeological Site. Raw and Decorrugated Total Magnetic Field Intensity.

150 views • 8 slides

Dynamic Earth

Dynamic Earth. Class 7 January 31, 2006. Homework #2 is due. Homework #2. Are the interiors of continents usually younger or older than the margins? Why?. ? Older!.

157 views • 7 slides

Adam Schultz in collaboration with Dhananjay Ravat , David P Moecher , Hersh J Gilbert

MT TA in region of cryptic accretion , cryptic rifting , potential s uperplumes and weak plumes in the cratonic core. Adam Schultz in collaboration with Dhananjay Ravat , David P Moecher , Hersh J Gilbert . Nd line and TIKL.

150 views • 7 slides

Magnetic Anomalies and Mid-Ocean Ridges

Magnetic Anomalies and Mid-Ocean Ridges. Tyler Szwarc, Haiyan Fu. Magnetic Fields Induced in Igneous Rock. Dating the Seafloor. Radiometric isotopes in zircon, apatite, and feldspars record crystallization age of seafloor basalts

188 views • 5 slides