Geochemistry and hydrodynamics in the Hutt and Leeman evaporitic lagoons, Western Australia: A comparative study

A. V. Arakel

doi:10.1016/0025-3227(81)90102-X

Geochemistry and hydrodynamics in the Hutt and Leeman evaporitic lagoons, Western Australia: A comparative study

A. V. Arakel^*

^*Corresponding author for this work

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10 Citations (Scopus)

Abstract

Hutt and Leeman Lagoons, in the Perth Basin, are shallow (<11 m) evaporitic basins developed as a result of ponding in a Pleistocene dune terrain. The contemporary lagoons are playa surfaces in which sedimentation is related to distribution and interaction of hydrologic units (groundwaters, seawater, and lagoonal brines). Precipitation is restricted to ephemeral halite in ponded waters, and diagenetic emplacement of CaCO₃ and CaSO₄ minerals in playa sediments. Playa surfaces, predominantly below sealevel, fundamentally control the lagoonal circulation system: a net influx of seawater, impelled by a hydrostatic head of up to 4 m is seasonally balanced by evaporative reflux.

Original language	English
Pages (from-to)	1-35
Number of pages	35
Journal	Marine Geology
Volume	41
Issue number	1-2
DOIs	https://doi.org/10.1016/0025-3227(81)90102-X
Publication status	Published - 1981

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title = "Geochemistry and hydrodynamics in the Hutt and Leeman evaporitic lagoons, Western Australia: A comparative study",

abstract = "Hutt and Leeman Lagoons, in the Perth Basin, are shallow (<11 m) evaporitic basins developed as a result of ponding in a Pleistocene dune terrain. The contemporary lagoons are playa surfaces in which sedimentation is related to distribution and interaction of hydrologic units (groundwaters, seawater, and lagoonal brines). Precipitation is restricted to ephemeral halite in ponded waters, and diagenetic emplacement of CaCO3 and CaSO4 minerals in playa sediments. Playa surfaces, predominantly below sealevel, fundamentally control the lagoonal circulation system: a net influx of seawater, impelled by a hydrostatic head of up to 4 m is seasonally balanced by evaporative reflux.",

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N2 - Hutt and Leeman Lagoons, in the Perth Basin, are shallow (<11 m) evaporitic basins developed as a result of ponding in a Pleistocene dune terrain. The contemporary lagoons are playa surfaces in which sedimentation is related to distribution and interaction of hydrologic units (groundwaters, seawater, and lagoonal brines). Precipitation is restricted to ephemeral halite in ponded waters, and diagenetic emplacement of CaCO3 and CaSO4 minerals in playa sediments. Playa surfaces, predominantly below sealevel, fundamentally control the lagoonal circulation system: a net influx of seawater, impelled by a hydrostatic head of up to 4 m is seasonally balanced by evaporative reflux.

AB - Hutt and Leeman Lagoons, in the Perth Basin, are shallow (<11 m) evaporitic basins developed as a result of ponding in a Pleistocene dune terrain. The contemporary lagoons are playa surfaces in which sedimentation is related to distribution and interaction of hydrologic units (groundwaters, seawater, and lagoonal brines). Precipitation is restricted to ephemeral halite in ponded waters, and diagenetic emplacement of CaCO3 and CaSO4 minerals in playa sediments. Playa surfaces, predominantly below sealevel, fundamentally control the lagoonal circulation system: a net influx of seawater, impelled by a hydrostatic head of up to 4 m is seasonally balanced by evaporative reflux.

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ER -

Geochemistry and hydrodynamics in the Hutt and Leeman evaporitic lagoons, Western Australia: A comparative study

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