The receiver structure beneath Mina, Nevada

S. G. Mangino, G. Zandt, C. J. Ammon

Research output: Contribution to journalArticle

29 Scopus citations

Abstract

Receiver functions obtained from broadband teleseismic P waveforms recorded at seismic station MNV, near Mina, Nevada, are inverted for the vertical shear-wave velocity structure southeast of the station. The time-domain inversion procedure for vertically heterogeneous and laterally homogeneous one-dimensional models includes smoothness constraints to minimize model roughness and a pseudo-Monte-Carlo approach to investigate the nonuniqueness of the solution models. The preferred southeast solution models show a smooth positive gradient in the mid- and lower crust with the top of the crust-mantle boundary at 34- to 36-km depth, reaching an upper-mantle P velocity of 7.8 to 7.9 km sec-1 between 38 and 40 km. These results suggest that the crust beneath MNV may be representative of a transition zone between typical Basin and Range province crust to the east and a thicker Sierran block to the west of the station. -from Authors

Original languageEnglish (US)
Pages (from-to)542-560
Number of pages19
JournalBulletin - Seismological Society of America
Volume83
Issue number2
StatePublished - 1993

ASJC Scopus subject areas

  • Geophysics
  • Geochemistry and Petrology

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