Mangatangi River Rock produces washed, uncrushed river stones from coarse, greywacke-derived river gravel in the Mangatangi Valley using the most sophisticated fixed quarry plant in New Zealand. It is situated in Franklin District between inland Mangatangi and Kaiaua. The quarry is on the Firth of Thames and is approximately 10kms inland from Kaiaua. The quarry started producing a wide range of graded aggregates in June 2006 that are suitable for many applications including river & stream restoration, decorative walls, parks & playgrounds, rip rap, decorative concrete pathways and driveways and gardens.
The quarry is open Monday – Friday 7.30am – 5.00pm and Saturday 8.00am – 12.00pm (by appointment)
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