 | Sir John William Dawson - 1855 - 498 Seiten
...the ore is not exposed in this brook, but large fragments of specular ore have been found in its bed, and a shaft, sunk on the course of the vein, has penetrated...remainder being hydrous peroxide of iron, alumina, and silicions matter. Still further west, in Martin brook, I have observed indications of the continuation... | |
 | Henry How - 1869 - 234 Seiten
...westward of the Acadia mine a shaft sunk on the course of the vein passed through more than furty feet of yellow ochre containing a few rounded masses and irregular layers of ankerite. The yellow ochre afforded Dr. Dawson Peroxide of iron 74.52 Alumina 4 . 48 Carbonate of lime and magnesia.... | |
 | Sir John William Dawson - 1878 - 868 Seiten
...ore was not exposed in this brook, but large fragments of specular ore have been found in its bed, and a .shaft, sunk on the course of the vein, has...remainder being hydrous peroxide of iron, alumina, and silicious matter. Still further west, in Martin Brook, I observed indications of the continuation of... | |
 | Sir John William Dawson - 1891 - 906 Seiten
...ore was not exposed in this brook, but large fragments of specular ore have been found in its bed, and a shaft, sunk on the course of the vein, has penetrated...specimen of the yellow ochre was found to contain only • I per cent, of the carbonates of lime and magnesia; the remainder being hydrous peroxide of iron,... | |
 | Robert Randall McLeod - 1903 - 780 Seiten
...iron have been found, and a shaft sunk on the course of the vein has penetrated more than 40 feet of yellow ochre, containing a few rounded masses and irregular layers of ankerite. Specimens of specular ore and ankerite have been received from the continuation of the same metamorphic... | |
| |
... band of slate and quartzite. Westward of the Acadia Mine the course of the vein over the high ground is marked by the colour of the soil, as far as Cook's Brook, about a mile distant. The outcrop of the ore was not exposed in this brook, but large... 