The name refers to the geological age (ca. 430 million years) of the rock from which their soils are derived.

The Silurian is made in the traditional method from the classic varieties, chardonnay and pinot noir.

The cool to mild Canberra District climate, coupled with exacting viticulture, allows harvest of these varieties at relatively low sugar ripeness, high acidity, and the delicate fruit flavours required for this very elegant style of sparkling wine.

Lees age prior to disgorging gives autolysis complexity, creamy texture and a very fine mousse.