. The copper-bearing rocks of lake Superior / by Roland Duer Irving. Geology; Geology; Copper ores; Copper ores. rle« minute rod por phyritio feldspars. trope^ tion of tliatmcrT most of V" 1 olasennd'i â â â , ^:i!i '., .-. .i'.j in iV'l'^alSiSsasW'^iB -^;^^or5«>^ iioclase. Mintitplv (rryitfl' > contains little, if any, too- Hopic substance, tat ia made up almost lip to two- eutiroly of relatiToly coarso particles of | ortUoL'laso and quartz, -with triclimo feld- spar and angilo. Some, at least, of the also. \" -saissS^'^O. Please note that these images are
. The copper-bearing rocks of lake Superior / by Roland Duer Irving. Geology; Geology; Copper ores; Copper ores. rle« minute rod por phyritio feldspars. trope^ tion of tliatmcrT most of V" 1 olasennd'i â â â , ^:i!i '., .-. .i'.j in iV'l'^alSiSsasW'^iB -^;^^or5«>^ iioclase. Mintitplv (rryitfl' > contains little, if any, too- Hopic substance, tat ia made up almost lip to two- eutiroly of relatiToly coarso particles of | ortUoL'laso and quartz, -with triclimo feld- spar and angilo. Some, at least, of the also. \" -saissS^'^O. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Irving, Roland Duer, 1847-1888. Washington, Govt. Print. Off.
Size: 1581px × 1581px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectgeology, bookyear1883
