Random crustal magnetization and its effect on coherence of short-wavelength marine magnetic anomalies
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Abstract
Recent studies of DSDP samples from layer 2A of oceanic basement have found complex magnetic stratigraphies that seem incompatible with the frequent existence of linear short-wavelength anomalies caused by palaeomagnetic field behavior. Statistical models are developed for the lateral variation of the average magnetization of layer 2A: a Poisson series for reversals of the earth's field and a stairstep random series for discrete magnetic units. It is shown with the power-density spectra of these statistical models that lateral inhomogeneities must average out over distances of less than a few hundred meters. Specifically, individual magnetic units of the type seen at DSDP Site 332 cannot extend uniformly for distances greater than a few hundred meters.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Random crustal magnetization and its effect on coherence of short-wavelength marine magnetic anomalies |
| Series title | Earth and Planetary Science Letters |
| DOI | 10.1016/0012-821X(79)90064-5 |
| Volume | 46 |
| Issue | 1 |
| Year Published | 1979 |
| Language | English |
| Publisher | Elsevier |
| Description | 6 p. |
| First page | 43 |
| Last page | 48 |
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