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The horizon was marked by undulating hills to the west; to the east, by sharper peaks. The scant growth was blackened or partly covered with sand, and it fringed the distant uplands like a stubbly beard. The little ravines were darkened with hot shadows, but the bald slopes presented areas, shining with infinitesimal particles of quartz and mica, to a savage sun and an almost unendurable sky.
Labradorite, or lime- soda-feldspar, in which the proportions of lime and soda are the reverse to what they are in Oligoclase. 5. Anorthite or lime-feldspar. The two latter feldspars are rarely if ever found to enter into the composition of rocks containing quartz.
But they were also working some placer claims up around Helena, and developing a quartz prospect over at Carson City. And the freighting was by no means "played out." He, himself, had driven a six-mule team with one line over the Santa Fé trail, and might have to do it again. The resources of the West were not exhausted, whatever they might say.
The pebbles in the above conglomerates, both in the upper and lower beds, are all well rounded, and, though chiefly composed of various porphyries, there are some of red sandstone and of a jaspery stone, both like the rocks intercalated in layers in this same gypseous formation; there was one pebble of mica-slate and some of quartz, together with many particles of quartz.
However, I found the old workings, and spent several hours making calculations as to their depth and course, taking notes as to the country formation, and assaying some bits of refuse quartz. Rather than struggle back by the path, I determined to follow the course of a stream that went through the mines and on toward the coast. So I whistled for Lekas and started on.
The stone ballast, which, as we expected, turned out to be the gold-bearing quartz we had obtained from the island of Armenio, we transferred to our own ship. And now, with a cargo which for richness had surely never been surpassed, we once more set sail for home. As we neared Amsterdam I began to think, with some trepidation, of my inevitable meeting with Pauline.
Here were real windows of quartz, and he could see more of the moon's surface as the tractor and its jointed cars wheeled about in a great circle and headed off in the direction from whence it had come. Once there was a loud Ping upon the roof above them. The tractor shook. "A meteorite," the driver explained. "They're thick tonight. Don't worry.
No other holes were sunk to a greater depth than ten feet, on account of the influx of water, but similar shafts were made in various places, and all with equal success. From the commencement of the first stratum of quartz throughout to the greatest depth attained gold was present. These being picked out, there remained a jet-black fine sand, resembling gunpowder.
Walker, who secured this concession also, notes that the native pits were very shallow and superficial. He was pressed for time, and sunk his trial-shaft but little more than three fathoms: here free gold was visible in the blue quartz, which yielded upwards of one ounce per ton. My companion found the shaft still open, and observed that the valley contained many holes and washing-pits.
Here they found long rows of the bombing posts and the corresponding quartz rods. They returned finally to the control room. Here Arcot spent a long time looking over the many instruments, the controls, and the piloting apparatus. "Wade," he said at last, "I think I can see how this is done. I am going to stop those engines, start them, then accelerate them till the ship rolls a bit!"
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