It is here that the Greenstone ends and the granite begins, prevailing from this point practically right on to the Land's End.
"Climbing in The British Isles. Vol. 1 - England"
W. P. Haskett Smith
In syenite and Greenstone it occurs more commonly than orthoclase.
"Geology"
James Geikie
What remains of the theatre is composed of large blocks of Greenstone from the quarries of Mortola.
"The South of France--East Half"
Charles Bertram Black