Geochemistry of a modern marine evaporite

Bocana de Virrila, Peru.

Susan Louise Brantley, D. A. Crerar, N. E. Moller, J. H. Weare

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

This relict estuary exhibits unique lateral zonation of evaporite minerals (calcite, gypsum, halite) along its 20km length. The salinity gradient in the estuary ranges from normal marine at the mouth to approximately 330 000 ppm TDS in the innermost waters. Uses the Harvie-Weare chemical equilibrium model to characterize the saturation horizons of gypsum and halite in the estuary brines. Water composition and sedimentological data support a model of the Bocana as a barred lagoon operating in a flow evaporative mode. Limited diurnal data show significant variation in brine composition as well as thermal and density stratification.-from Authors

Original languageEnglish (US)
Pages (from-to)447-462
Number of pages16
JournalJournal of Sedimentary Petrology
Volume54
Issue number2
DOIs
StatePublished - Jan 1 1984

Fingerprint

evaporite
geochemistry
estuary
halite
gypsum
zonation
brine
lagoon
stratification
calcite
saturation
salinity
water
mineral

All Science Journal Classification (ASJC) codes

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

Cite this

Brantley, Susan Louise ; Crerar, D. A. ; Moller, N. E. ; Weare, J. H. / Geochemistry of a modern marine evaporite : Bocana de Virrila, Peru. In: Journal of Sedimentary Petrology. 1984 ; Vol. 54, No. 2. pp. 447-462.
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Geochemistry of a modern marine evaporite : Bocana de Virrila, Peru. / Brantley, Susan Louise; Crerar, D. A.; Moller, N. E.; Weare, J. H.

In: Journal of Sedimentary Petrology, Vol. 54, No. 2, 01.01.1984, p. 447-462.

Research output: Contribution to journalArticle

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