Places such as Purgatory Chasm and Millstone Hill, in Worcester's Green Hill Park, bear witness to the work of the glaciers.

Lava flows, near mile-thick glaciers and ice age floods layered and carved up this landscape.

"In western Massachusetts, obviously, quartz, lots and lots of quartz around here," said Sara Furbush, president of the Worcester Mineral Club.

These Pudding Stones are conglomerates that have been metamorphosed into a metamorphic rock called quartzite. The base rock is quartzite and it has pebbles of jasper and other dark colored inclusions.

Scientists agreed the rocky outcrops in a remote part of Quebec, Canada, were ancient. But were they really Earth’s oldest?

In this episode, we uncover hidden gold inside large quartz rocks - using nothing but our trusty metal detectors and some good old-fashioned hard work. With the help of the Minelab Gold Monster ...

Westgold Resources Limited (ASX: WGX) (TSX: WGX) – (Westgold or the Company) is pleased to announce its maiden Mineral ...

“I was initially inspired by the history of the quartzite rock at the Falls,” said Lewin, who was asked to create “Cyclicality” as part of the Pavilion’s 25 th anniversary celebrations.

The Vredefort Dome is the oldest, largest and most deeply eroded complex meteorite impact structure in the world, known for it's natural beauty and unique geological sites.

HIGHLIGHTS:Thick high-grade gold at the Zone 126 trend confirming vertical and grade continuity. Highlights include:25GLR022: ...