1592953194000 1312632483000 term-37691 1616541493296 1312632529000 1616290439848 adlib fitz-online adlib-term-37691 ccb454f7-b1c8-3c13-b08f-f18f50ca1419 2 1 scope note Name applied in Cornwall, England, to the local quartz-porphyry. PEB M.MT.AFU.AFU.AFU.ERE.AFU.AFU.ALO.AFU.AFU.AFU 1 code M.MT.AFU.AFU.AFU.ERE.AFU.AFU.ALO.AFU.AFU.AFU 1 elvan reference term-39786 adlib-term-39786 14744363-1ded-3dc1-9848-1a0286ba6fe5 quartz porphyry elvan term