Did you ever wonder how beds of coal happened to be in the earth? This is their story.
ently been split off. I picked up a piece of the rock and examined it closely. It proved to be made up of three kinds of material. First, there were tiny sparkling bits of mica. In some places there are mica mines yielding big sheets of this curious mineral which is used in the doors of stoves and the little windows of automobile curtains. With the point of a knife the bits in my piece of granite could be split into tiny sheets as thin as paper. The second material was quartz. This was grayish-white and looked somewhat like glass. The third material was feldspar. This, too, was whitish, but one or two sides of each bit were flat, as if they had not been broken, but split. This is the most common kind of granite. There are many varieties. Some of them are almost white, some dark gray, others pale pink, and yet others deep red. It is found in more than half the States of the Union.
This quarry had been given up and allowed to fill with water; but it was a granite country, and farther down the road there
Fans of paranormal and urban fantasy will enjoy... Read more
2013 SFR GALAXY AWARD WINNER
"Heroism and... Read more
VOLUME ONE in the WOOD COW CHRONICLES series. <... Read more
There are six secret clans across the world–Afr... Read more
Set in the late Georgian era, Elizabeth Bailey’... Read more
"Tim Hurtletuta has forgotten something. He can... Read more
12th century England: Two men vie for the thron... Read more
Dr. Gabe Allen has a rule about dating colleagues... Read more
The list of books below is based on the weekly downloads by our users regardless of eReader device or file format.
See more popular titles from this genre.