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A Global Boundary Stratotype Section and Point (GSSP), sometimes referred to as a golden spike, is an internationally agreed upon reference point on a stratigraphic section which defines the lower boundary of a stage on the geologic time scale.
The Status column has a "golden spike" for every GSSP which has been formally agreed by the ICS. Those without have only candidate sections which have not yet been formally ratified. The clock stands for times that are currently defined only by an age. The "Defining markers" column lists the evidence in the rock used to define the boundary.
National Park Service map of Golden Spike National Historical Park. The Golden Spike National Historical Park encompasses 2,735 acres (1,107 ha). Initially just 7 acres (2.8 ha) when it was established in 1957, limited to the area near the junction of the two rail systems, the site was expanded by 2,176 acres (881 ha) in 1965 through land swaps and acquisition of approximately a strip of land ...
The original "golden spike", on display at the Cantor Arts Museum at Stanford University. The Golden Spike (also known as The Last Spike [1]) is the ceremonial 17.6-karat gold final spike driven by Leland Stanford to join the rails of the first transcontinental railroad across the United States connecting the Central Pacific Railroad from Sacramento and the Union Pacific Railroad from Omaha on ...
The Northern Pacific Railroad Completion Site is the location of the golden spike ceremony for the completion of the Northern Pacific Railway (NP) in 1883. The site is located near Gold Creek in Powell County, Montana off of Interstate 90, [2] approximately 59 miles (95 km) southeast of Missoula and 40 miles (64 km) west of Helena.
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The Golden Spike National Historic Site, with replicas of the Central Pacific's Jupiter and the Union Pacific's No. 119 re-enacting the Golden Spike ceremony. By the early 1950s, a number of re-enactments of the driving of the last spike had been held at Promontory Summit. The renewed interest led to a concerted effort to save the historic site.
The "Orbis" in Orbis spike is named for the Latin word Orbis, meaning world. Orbis was chosen to represent of the East and West hemispheres merging into one interconnected world. [5] The "spike" refers to the usage of the Global Boundary Stratotype Section and Point to point to "golden spikes" as markers for different eras in the history of the ...