By Dr. Simon Brealey
As is becoming traditional, stalwart devotees of the terroir of the McLaren Vale Wine Region (yes, it’s a bona fide appellation) gathered under a darkening sky in late September to receive the wisdom and tasting notes of Professor Alan Collins of Adelaide University.
Picking up stragglers as we headed south on the 40-minute drive we examined the beautifully-produced geological maps kindly...