A Study of the Visible Indications of Ore Value in the Metadiorite of the Mother Lode Area Near Jackson, California ... |
From inside the book
Results 1-3 of 12
Page 7
This is well shown by prominent gouge anti by 6lickensides, along the walls of
the veins in the country rock traversed by the cross-faults (see Plate No. 2). The
principal planes of movement have been along the east-west veins, and along a
...
This is well shown by prominent gouge anti by 6lickensides, along the walls of
the veins in the country rock traversed by the cross-faults (see Plate No. 2). The
principal planes of movement have been along the east-west veins, and along a
...
Page 7
Slickenside surface of pyrite. Flowed, polished, and striated pyrite surface shows
precedence of mineralization to fault movement. Location: Level, 450 460 Cross-
cut, Along a cross-fault. Magnification: PLATF No. 3 D A G D A M S Natural size.
Slickenside surface of pyrite. Flowed, polished, and striated pyrite surface shows
precedence of mineralization to fault movement. Location: Level, 450 460 Cross-
cut, Along a cross-fault. Magnification: PLATF No. 3 D A G D A M S Natural size.
Page 7
Glicker.side surf ee of pyrite. Flowed, polished, and striated pyrite surface shows
precedence of mineralization to fault movement. Location: Level, 450 460 Cross-
cut, Along: a cross-fault. Magnification: PLATF No. 3 D | A G D AM S Natural size.
Glicker.side surf ee of pyrite. Flowed, polished, and striated pyrite surface shows
precedence of mineralization to fault movement. Location: Level, 450 460 Cross-
cut, Along: a cross-fault. Magnification: PLATF No. 3 D | A G D AM S Natural size.
What people are saying - Write a review
We haven't found any reviews in the usual places.
Common terms and phrases
8x natural 8x natural size abundant altered to talc approximate assay associated Au per ton bands belt body bull Calcite Calculated pyrite value California chalcopyrite completely concentration contained continued cubes cubic crystals deposition determination developed diorite Distance drift drift Distance east Easyz Bird estimated degree extent extreme fact fault feet fissures follows formation Fracturing Fracturinº free gold gold content gold value grains hanging-wall highly altered impregnation inches inclusions indication irregular Level Location Lovel Magnification masses massive material metadiorite area mineral mining Mother Lode movement nearly º º occurs photographs Plate polished sections Position in vein precipitation present principal constituent Pyrite percentage quantities quartz raise region relatively Replacement seams shown shows side small amount solutions speci Specimen stope structure taken throughout tion trace transparent vary vein system wall-rock walls wide
Bibliographic information
| Title | A Study of the Visible Indications of Ore Value in the Metadiorite of the Mother Lode Area Near Jackson, California ... |
| Author | Donald Kenneth Gill |
| Publisher | Stanford University, 1939 |
| Length | 170 pages |
| Export Citation | BiBTeX EndNote RefMan |