HARD, FINE-GRAINED OLIVINE BASALT
Uncrushed basalt available now. Aggregates, road base and rock products made to order for bulk supply.
Strength and durability
Independent testing of Mount Sylvia basalt has recorded low abrasion loss, low water absorption and strong wet-strength performance.
11% abrasion loss · 246 kN wet strength · 0.5% water absorption
Our Range
The following products can be made to order, subject to agreed volumes, specifications and lead times.
Drainage aggregates
10 mm and 20 mm crushed and screened basalt for drainage applications.
Mattress rock
75–150 mm rock for rock-filled mattress cages.
Gabion rock
100–200 mm rock for gabion baskets.
Armour rock
Large rock for erosion protection, including creek banks and bridge surrounds.
Road base and maintenance gravel
Crushed and blended materials for road construction and maintenance.
