EarthRef.org Digital Archive (ERDA)
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Oligocene Paleogeographic Map
The global paleogeographic reconstruction for the Paleocene has been prepared by Balukhovsky et al. (2004). This map was constructed using the techniques involved in producing the Paleozoic and Mesozoic-Cenozoic Atlases of Lithological-Paleogeographic Maps of the World (Ronov et al., 1984 ...
Data Types: map
40Ar/39Ar Ages for Emperor Seamounts from ODP Leg 197: sample 1203A-31R-1 29-31cm
Radiometric age on feldspar from Detroit Seamount within the Emperor Seamount chain by the 40Ar/39Ar incremental heating method. Mean age for site 1203A samples: 75.82 ¿ 0.61 Ma.
Data Types: graphs, spreadsheet
Direction of Changing Magnetic Poles based on Basalt Samples in Japan
The figure shows the varying directions the magnetic pole has taken based on basalt samples in Japan. The samples span over a time period that begins in the early Quaternary and ends in the Tertiary. Using the locations on the graph and their respective time periods, it can be seen that th ...
Data Types: diagram, graphs
Radiometric Age of Volcanoes Along Hawaiian Ridge
This diagram shows the age relation of volcanoes along the Hawaiian Ridge with respect to distance from Kilauea. Notice the trend of increasing age the further from Kilauea the volcano is located. This image can also be viewed without the radiometric age information in order to visualize ...
Data Types: diagram
40Ar/39Ar Age Determination 18D22522 (10.58052/OSU-KM1609-D7-2.AK1 - Pacific)
This upload contains the 40Ar/39Ar geochronology age determination of sample KM1609-D7-2 (OSU-KM1609-D7-2.AK1) from Pacific in Ellice Basin (Ellice Basin, Pacific Ocean) and was calculated using the ArArCALC freeware. The preferred age of 78.19 ± 0.34 Ma is the age plateau and is interprete ...
Data Types: spreadsheet
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