Henderson’s Quarry is a major excavation in volcanic rock on the eastern side of Mount Ngongotaha, near Rotorua on the North Island of New Zealand. Featured image: Henderson’s Quarry, Ngongotaha The quarry is made up of several rock types including pumice, obsidian and rhyolite. Crystalline minerals occur in lithophysal cavities in...
A granite quarry in Victoria’s northwest. Featured image: Schorl tourmaline, Pyramid Hill From Mindat – Two quarries, one abandoned, the other operated by E.B. Mawson and Sons, have been excavated on the low granite knolls south of the main Pyramid Hill peak in the Terricks Range, in northern Victoria. The...
Mooralla has long been a famous collecting area, mainly in lapidary circles, and is renowned for its spectacular specimens of smoky quartz. Lesser known is the occurrence of other forms of quartz, including epimorphs, and a small number of other minerals. Featured image: Smoky Quartz, Mooralla, Victoria The popular smoky quartz...
Lake Cooper Quarry is situated on the western side of the Corop-Heathcote Road, near to the township of Corop in central Victoria. It is a working quarry producing “road metal” from a metabasite (a subaqueous lava flow), part of the Cambrian Heathcote Greenstone Belt. Featured image: Lake Cooper Quarry from...
Flinders is a Dana locality southeast of Melbourne, Victoria, best known for producing large crystals of gmelinite. The basalts are part of the Older Volcanics with a flow near the top of the sequence dated at 42 million years. Zeolites and associated mineralisation occur in vesicles in basalt along the...
The Duke of Cornwall Mine is just outside Fryerstown on the road to Chewton. There are dumps on one side of the road and the ruins of a Cornish Engine House on the other, registered by the National Trust. Featured image: Cornish Engine House Built in 1865, the only alteration...
Vivianite nodules up to 20cm across have been found on the beach west of Anglesea on Victoria’s south coast. These are usually water-rounded dark blue nodules that sometimes have crystal-lined cavities. Featured image: Anglesea Beach, looking towards Demon’s Bluff in the distance It is thought that the nodules formed in...
Coimadai (pronounced come-ida) Antimony mine is on Pyrete Creek, a tributary of Goodman’s Creek, about 15 km NNE of Bacchus Marsh. It consists of two lodes, Draper’s and Bondison’s. The deposits were discovered in 1887 and worked intermittently until 1915, then operated again between 1942 and 1944. Featured image: John Carey...
The Mount Alexander diggings were located in the central goldfields region of Victoria, in and around the present day city of Castlemaine. The site of one of the earliest significant alluvial gold rushes that occurred in Australia during the mid-nineteenth century, they have been called the world’s greatest shallow alluvial...
Camperdown, in Victoria’s Western Districts, is best known for it’s volcanoes and farming. But not for gold. However, the 1900 article below indicates that gold was found in scoria and basalt! Featured image: Zircon, Lake Bullenmerri, Camperdown
According to Wikipedia, gold was reported at Daisy Hill in 1849, two years before the official finding of gold (at Clunes and Warrandyte). There is no mention of Daisy Hill in Brough-Smythe’s “The Gold Fields and Mineral Districts of Victoria” (1869). Featured image: Daisy Hill workings The Gold and Relic Sites...
Alfredton is a suburb on the western side of Ballarat. In June 2013, a new housing subdivision was under development on the western side of Learmonth Street. Excavation had unearthed quite a lot of fresh basalt which had been gathered in piles around the subdivision. It is likely that this...
