Changes in the chemical or mineralogical composition of a rock

Geological Fault Rock - Polygons

Locations of Geologically Interesting Features within Victoria. The Geological Society of Australia (GSA) has assigned significance levels to each site - based on a set of criteria.

Distinctive band of rock containing micro-crystalline quartz for a single 1:100,000 map area

Geological Outcrop Information Collected by GSV Geologists