"Columnar structure in the basalt of the main sheet, south end of East Hill Cliff, near South Britain,…
Cromlech is a Brythonic word (Breton/Welsh) used to describe prehistoric megalithic structures, where…
A hand-generated rock crusher. Generally used to reduce rock to grainy substance in order to analyze…
"And in those days cometh John the Baptist, preaching in the wilderness of Judaea, saying, Repent ye;…
"Eddystone is a group of gneiss rocks, daily submerged by the tide, in the English Channel, 9 miles…
"And he spake to them many things in parables, saying, Behold, the sower went forth to sow; and as he…
"But lighting upon a place where two seas met, they ran the vessel aground; and the foreship struck…
The great low plain of North America lies between the Atlantic system on the east and the Pacific system…
In prehistoric times, a woman finds sleeping men from a different tribe and studies them.
"The impressions of the large rain-drops of a short shower made on a half-dry mud, have often been preserved…
Section of the rift valley of the Rhine. 1) granite; 2-7)Mesozoic rocks; 8,9) Tertiary and recent.
This sign is used to indicate that rock collecting is located nearby.
"The seal Macrorhinus elephantinus or proboscideus, or Morunga proboscidea. It is the largest of the…
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…
A series of diagrams showing the development of the Chief Mountain thrust. The older rocks from which…
This worm is also called a fan worm, plume worm or red tube worm. "A Linnean genus of worms, subsequently…
A man stands firmly looking straight ahead while a woman at his side touches his arm. Perhaps she is…