Category Archives: Geology

Muckleford Gorge Walk April 19th 2026

  On a perfect (except for the lack of rain) autumn day walkers arrived in convoy on a private property to learn about the geological history of the Muckleford Gorge from geologist Clive Willman, assisted by Ross Cayley from the … Continue reading

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The April walk is now booked out

This walk is now booked out. Registration is necessary for the April walk, Sunday 19th. Please email info@fobif.org.au by Friday 17th April, maximum 2 per registration. Participants will be confirmed via email. Led by Clive Willman, the walk will follow … Continue reading

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Field Guide development: The Geology of the Mount Alexander Region

A team of doughty FOBIF individuals are currently developing a field guide to the geology of our local region, prompted by frequent requests for such a guide, and the popularity of FOBIF’s existing publications. Supported by professional geologists, the aim … Continue reading

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‘Scientists on the goldfields, 170 years of geoscientific discoveries’

There will be a free presentation ‘Scientists on the goldfields, 170 years of geoscientific discoveries’ by leading geologist Clive Willman. Venue: Northern Arts Hotel, 359 Barker St Castlemaine Date: Wednesday 20th August Time: 6.30pmThis will be repeat of the presentation given … Continue reading

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Colours from an ancient ocean

There are many sites around the Castlemaine area where 19th Century gold miners have removed all traces of soil in a process called ‘ground sluicing’. A blight upon the environment, but also, a wonderful opportunity to take a peek at … Continue reading

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Signs of the ancient and dynamic Earth

The mysterious sandstone layers of Castlemaine and Chewton are one of the most defining characteristics of the local bush. Like the bones of some ancient earthly animal, they form a pattern of upstanding ribs that hold clues to the land’s … Continue reading

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The Cascades: sculpture park or work of nature?

The Cascades at Metcalfe – is this a sculpture park or a work of nature? The answer is obvious but you would be forgiven for thinking the former. Here at this mesmerising stretch of the Coliban River, organic curves and … Continue reading

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Mind-boggling force, rocks that bend

Some people think the world is a messed-up place. I prefer to stay optimistic but, I have to admit, when it comes to the rocks beneath our feet, it’s a pretty accurate view. These anticlines are just a selection of … Continue reading

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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

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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

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