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Plymouth Rock is the historical disembarkation site of the Mayflower Pilgrims who founded Plymouth Colony in December 1620. The Pilgrims did not refer to Plymouth Rock in any of their writings; the first known written reference to the rock dates from 1715 when it was described in the town boundary records as "a great rock".
Geology of Massachusetts. A geological map of the state, showing the north–south trend of the bedrock strata. The geology of Massachusetts includes numerous units of volcanic, intrusive igneous, metamorphic and sedimentary rocks formed within the last 1.2 billion years. The oldest formations are gneiss rocks in the Berkshires, which were ...
Survey markers, also called survey marks, survey monuments, or geodetic marks, are objects placed to mark key survey points on the Earth's surface. They are used in geodetic and land surveying. A benchmark is a type of survey marker that indicates elevation ( vertical position ). Horizontal position markers used for triangulation are also known ...
Boundary marker. Historical boundary stone between the Principality of Lippe and the Kingdom of Prussia. A boundary marker, border marker, boundary stone, or border stone is a robust physical marker that identifies the start of a land boundary or the change in a boundary, especially a change in direction of a boundary. [1]
Ever see a painted rock somewhere in town or maybe along a hiking path in the mountains and wonder where it came from? Now, you'll know. The Hendersonville-based Facebook group called HVL Rocks ...
Bed (geology) In geology, a bed is a layer of sediment, sedimentary rock, or volcanic rock "bounded above and below by more or less well-defined bedding surfaces". [ 1] Specifically in sedimentology, a bed can be defined in one of two major ways. [ 2] First, Campbell [ 3] and Reineck and Singh [ 4] use the term bed to refer to a thickness ...
Rock balancing (also stone balancing, or stacking) is a form of recreation or artistic expression in which rocks are piled in balanced stacks, often in a precarious manner. Conservationists and park services have expressed concerns that the arrangements of rocks can disrupt animal habitats, accelerate soil erosion, and misdirect hikers in areas ...
The geologic record in stratigraphy, paleontology and other natural sciences refers to the entirety of the layers of rock strata. That is, deposits laid down by volcanism or by deposition of sediment derived from weathering detritus ( clays, sands etc.). This includes all its fossil content and the information it yields about the history of the ...