Definition of greenstone in English:
greenstone
noun ˈɡriːnstəʊnˈɡrinstoʊn
mass nounGeology 1A greenish igneous rock containing feldspar and hornblende.
Example sentencesExamples
- There are many belts of greenstone (highly contorted, Precambrian volcanics and sediments) throughout the Canadian Shield.
- The primary rocks of the Bradshaw Mountains are granites and greenstones (gneiss and schist).
- Some of the oldest rocks on earth have also been found here: the greenstone is estimated to be 3 000-million years old.
- The Zimbabwe craton consists of 23 greenstone belts surrounded by felsic gneisses and granites, with ages from 3.6 Ga to 2.6 Ga.
- Greenwell discovered numerous antler picks scattered throughout the mine as well as the ground stone axe made of greenstone from Cornwall.
- 1.1NZ A variety of jade.
as modifier a greenstone necklace
Example sentencesExamples
- In early 1913 six Maori greenstone artefacts disappeared from a showcase in the Salisbury and South Wiltshire Museum.
- After performing a waiata the students presented Potikitaua-Taraare with a greenstone necklace and other gifts.
- The earliest known history of the town was as a stopping place for parties of Maori who had come through the Haast Pass in search of greenstone.
- Trophies have been donated featuring greenstone and gold from the area.
- This same dress code, however, allows Maori students to wear bone and greenstone necklaces as part of the school's ‘Treaty of Waitangi obligations’.