Location Details
- Location of Geological Feature
- Granite boulder which is a piece of sculpture intended for climbing. This is one of the Hackney Boulders (the other is in Mabley Green) installed by John Frankland. It contains tourmalinised mafic xenoliths.
- Rock Type
- Granite
- Geological Age
- 290 Ma
- Quarry Location
- Carnsew, Cornwall, UK
- Category
- Igneous
- Nearest station
- Old Street
- Address
- New North Road N1 6TA
- Building architect
- John Frankland
- Date of build
- 2008
