"Behold, I will stand before thee there upon the rock in Horeb; and thou shalt smite the rock, and there…
"Rupture of a Mountain.—There is no doubt, but in the operations of nature, great effects are…
"The second class, those cut in the rock, have either sculptured facades, or a kind of frame standing…
Diagram illustrating width of outcrop AB of the bed, the thickness of which is AC; its depth at X is…
Well-rounded quartz grains from ancient eolian rock, enlarged by secondary addition of silica in optical…
Arched rock is a natural limestone arch formed during the Nipissing post-glacial period, a period of…
Sugar Loaf is a 75-foot-high landlocked rock or stack in the interior of Mackinac Island in Lake Huron.…
"A genus of exogenous plants, which gives its name to the natural order Cistaceae; an order allied to…
A rose cut is a cut of gemstone. In this cut, the upper surface is shaped into triangular facets of…
"The seal Macrorhinus elephantinus or proboscideus, or Morunga proboscidea. It is the largest of the…
A piece of rock in which slaty cleavage has been developed, as shown by the fine lines; the coarser…
Liparis lineata. A fish of the genus Liparis; so called from their soft unctuous feel, and their habit…
Liparis lineata. A fish of the genus Liparis; so called from their soft unctuous feel, and their habit…
Early stone implements use by true men during the Reindeer age. These stones include scrapers and points.
Three views of a rostro-carinate (earliest period) Paleolithic stone implement. All roughly drawn to…
"In some places a series of strata A, having a certain dip, rest directly upon the eroded surface of…
The different layers or strata are shown by the shadling's. Stratified rocks are the most common of…
Two of the interlocking prisms or stylolites, showing the striated sides produced by friction during…
Eroded fold, symmetrical anticline, from the axis of which the higher beds have been eroded down to…
Inhabiting the higher reaches of Southern Europe, the rock thrush descends to lower altitudes during…
This worm is also called a fan worm, plume worm or red tube worm. "A Linnean genus of worms, subsequently…
The turnstone is found along coasts. It gets its name from its habit of flipping over small stones,…
"The internal structure of many cones has been laid bare by prolonged erosion after the volcano has…
The Seal of the State of West Virginia. This seal depicts two men representing agriculture and industry…
In masonry, is a term applied where surface of a wall shows groves between the different courses of…