The quicksilver resources of California . - filling associated withquartz cr^stallization. This ledge matter contains bunches ofiron pyrites, in places rich in copper. In the northern part atg the cinnabar forms in a material which to the naked eye hasthe appearance of a breccia, but under the glass is shown toconsist of a dark-colored, close-grained quartz, the darkercoloring being due to iron and antimony minerals, with inclu-sions of much lighter-colored quartz. The ledge filling thenshows strong sulphurization and silicification actions, bothcontemporaneous with the ore deposition. The mai
The quicksilver resources of California . - filling associated withquartz cr^stallization. This ledge matter contains bunches ofiron pyrites, in places rich in copper. In the northern part atg the cinnabar forms in a material which to the naked eye hasthe appearance of a breccia, but under the glass is shown toconsist of a dark-colored, close-grained quartz, the darkercoloring being due to iron and antimony minerals, with inclu-sions of much lighter-colored quartz. The ledge filling thenshows strong sulphurization and silicification actions, bothcontemporaneous with the ore deposition. The main ledge isaccompanied by a number of small fissures striking a little. Fig. 51. Section at Graybuck shaft,Stavton Mine. SAN LUIS OBISPO COUNTY. 149 ? 1 /,i // ^ QVi Drawr \ ^ >.rthyoi\y i^ A-^^
Size: 1676px × 1490px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectminesandmineralresou
