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2. Geologist's hammer - Wikipedia

   en.wikipedia.org/wiki/Geologist's_hammer

   A geologist's hammer, also known as rock hammer, rock pick, geological pick, or geo pick, is a specialized hammer used for splitting and breaking rocks. In field geology, it is employed to expose fresh rock surfaces, as weathered surfaces may obscure accurate analysis of a rock's composition, bedding orientation, mineralogy, history, and strength.

3. Estwing - Wikipedia

   en.wikipedia.org/wiki/Estwing

   Estwing Manufacturing Company was founded in Rockford, Illinois in 1923 by Ernest O. Estwing. Estwing was an immigrant from Sweden who settled in Rockford with many other Swedish immigrants. Estwing manufactures striking tools such as hammers , axes , pry bars , bricklayer 's tools, roofer 's tools, geologist's hammers , and various specialty ...

4. Paleointensity - Wikipedia

   en.wikipedia.org/wiki/Paleointensity

   In geomagnetism, paleointensity (or palaeointensity) is the study of changes in the strength of the geomagnetic field over Earth's history. Émile and Odette Thellier were the first to make laboratory measurements to determine the strength of the ancient field responsible for producing remanent magnetization in a rock or archeological artifacts ...

5. Oley Hills site - Wikipedia

   en.wikipedia.org/wiki/Oley_Hills_site

   Shaped rock piles on boulders at the Oley Hills site Large shaped rock pile at the Oley Hills site Cairn or rock pile at the Oley Hills site: sometimes said to resemble a turtle The Oley Hills site , or Oley Hills stone work site , located in Berks County, Pennsylvania , is an enigmatic complex of snaking dry stone walls, carefully shaped rock ...

6. Big and Little Petroglyph Canyons - Wikipedia

   en.wikipedia.org/wiki/Big_and_Little_Petroglyph...

   Big and Little Petroglyph Canyons are two principal landforms within which are found major accumulations of Paleo-Indian and/or Native American Petroglyphs, or rock art, by the Coso People located in the Coso Range Mountains of the northern Mojave Desert, and now within the Naval Air Weapons Station China Lake, near the towns of China Lake and Ridgecrest, California. [3]

7. Stanfield-Worley Bluff Shelter - Wikipedia

   en.wikipedia.org/wiki/Stanfield-Worley_Bluff_Shelter

   By 1960, it was clear that north Alabama had possibly the densest concentration of Paleo-Indian sites within the United States, as evidenced by the discovery of the Quad site near Decatur, Alabama. The importance of the Stanfield-Worley Bluff Shelter, one such Paleo-Indian site, lies in its ability to establish an accurate timeframe for Dalton ...