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White Mountain Quarry, near LisburnAntrim
White Mountain Quarry, near Lisburn, Co.Antrim, May 1997.
Summary Full report
Site Type: Quarry (working)
Site Status: PASSI
Grid Reference: X32363675
Rock Age: Tertiary
Rock Name: Antrim Lava Group, Lower Basalt Formation
Rock Type: Basalt
Minerals: Analcime, Calcite, Chabazite, Saponite, Zeolites, Cowlesite, Mesolite, Laumontite
Other interest: Roadstone, columnar jointing, vesicles, No Data

Summary of site:

This extensive working quarry exploiting the Lower Basalt Formation has a rich assemblage of zeolite minerals. Zeolites are hydrated aluminosilicates most commonly associated with basaltic lavas where they line bubble cavities and natural fractures. Zeolites recorded from the quarry include analcime, mesolite, chabazite, cowlesite and possibly laumontite. Calcite and the clay mineral saponite also occur here.

Because the quarry is still working, it may not be possible to see the full range of zeolites at any one time. The nature of the final faces when the quarry ceases operation will determine its potential for designation. To maintain interest the faces would require periodic refreshment.

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