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Category Archives: Geology
Looking down into the distant past
Geology creeps into everyday life in the sneakiest ways. Take Castlemaine’s gutters and buildings; they exhibit a gallery of local rocks. At Stonemans Bookroom corner, deep gutters are paved with sandstone blocks and a dash of Harcourt granite along the … Continue reading
New Year fireworks 110,000 BC: Lalgambook!
Mt Franklin, or Lalgambook, is a volcanic scoria cone with a wonderfully preserved crater. Lalgambook was once thought to be 470,000 years old but a more accurate and surprising date was published in 2013; it turns out to be amongst … Continue reading
Posted in Geology
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Liquid gold!
Quartz Hill is the site of some of the earliest reef mining in the Castlemaine area. Just 2km north of Chewton, it was one of a handful of huge quartz outcrops that demanded miners’ attention. The problem is not all … Continue reading
Posted in Geology
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Guildford Plateau – an upside-down landscape
We don’t often see mesa-like hills in Victoria but the Guildford Plateau is a wonderful example. The story starts around 40 million years ago when the ancient Loddon River carved its way from the Glenlyon headwaters. This was a vigorous … Continue reading
What? Rainforest valleys at Guildford?
Ordinary looking rocks can tell some amazing stories: that’s the magic of geology. We’ve asked geologist Clive Willman to write an occasional series of posts on what the stones of our region are telling us. This is his first: The … Continue reading
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