Dictionary:Pearls

From SEG Wiki
Jump to navigation Jump to search
ADVERTISEMENT


{{#category_index:P|pearls}} Continuous-type micropulsations ‘‘of the first kind’’ with periods from 0.2 to 5 s and amplitudes from 0.05 to 0.1 nanotesla. Strip-chart records of pearls look like amplitude-modulated sinusoidal waves (resembling a pearl necklace). See micropulsations and Figure M-2.