EarthRef.org Digital Archive (ERDA)
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Pliocene 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
Late Cretaceous Paleogeographic Map
The global paleogeographic reconstruction for the early Turonian 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. ...
Data Types: map
Paleocene 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
Eocene 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
High resolution 40Ar/39Ar ages for Louisville seamount trail: sample VG-3a/MSN110-1
Groundmass 40Ar/39Ar age for Valerie guyot in the Louisville seamount trail in the South Pacific basin. Sample VG-3a/MSN110-1 is an alkali basalt sampled at 950 m depth. This ZIP archive contains the ArArCALC v2.2 age calculation file and the same file in the Microsoft Excel 2000 format.
Data Types: graphs, spreadsheet
High resolution 40Ar/39Ar ages for Louisville seamount trail: sample MTHN-6D1
Groundmass 40Ar/39Ar age for an unnamed seamount in the Louisville seamount trail in the South Pacific basin. Sample MTHN-6D1 is an alkali basalt sampled at 720 m depth. This ZIP archive contains the ArArCALC v2.2 age calculation file and the same file in the Microsoft Excel 2000 format.
Data Types: graphs, spreadsheet
High resolution 40Ar/39Ar ages for Louisville seamount trail: sample MTHN-7D1
Groundmass 40Ar/39Ar age for an unnamed seamount in the Louisville seamount trail in the South Pacific basin. Sample MTHN-7D1 is an alkali basalt sampled at 640 m depth. This ZIP archive contains the ArArCALC v2.2 age calculation file and the same file in the Microsoft Excel 2000 format.
Data Types: graphs, spreadsheet
Magnetic Field Reversal Video
The video from the Pittsburgh Supercomputing Center shows a computer simulated magnetic field reversal. It demonstrates how the northern and southern fields interact and how both fields look as their intensities decrease. Eventually the field ...
Data Types: animation
Magnetic Reversal Data and Timescale
The figure represents magnetic data taken from multiple locations around the world. It shows whether or not the samples were formed during a time that had a normal or reversed magnetic field. Each dot represents a different rock sample, which were then used to determine when the magnetic fiel ...
Data Types: diagram
Magnetic Rock Polarity Data Table
The table contains data for magnetic polarities of 6 rock samples taken in New Mexico. These rocks act as a storage device for magnetic field data because they can record the strength and direction of the magnetic field at the time of their formation. They are able to record the magneti ...
Data Types: spreadsheet
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
40Ar/39Ar Ages for Emperor Seamounts from ODP Leg 197: sample 1203A-32R-5 58-60cm
Radiometric age on whole rock 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
40Ar/39Ar Ages for Emperor Seamounts from ODP Leg 197: sample 1203A-35R-4 93-95cm
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
40Ar/39Ar Ages for Emperor Seamounts from ODP Leg 197: sample 1203A-36R-4 102-106cm
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
40Ar/39Ar Ages for Emperor Seamounts from ODP Leg 197: sample 1203A-38R-1 129-131cm
Radiometric age on whole rock 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
40Ar/39Ar Ages for Emperor Seamounts from ODP Leg 197: sample 1203A-59R-2 102-103cm
Radiometric age on whole rock 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
40Ar/39Ar Ages for Emperor Seamounts from ODP Leg 197: sample 1204B-2R-2 93-95cm
Radiometric age on whole rock 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
40Ar/39Ar Ages for Emperor Seamounts from ODP Leg 197: sample 1204A-9R-1 92-94cm
Radiometric age on whole rock 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
40Ar/39Ar Ages for Emperor Seamounts from ODP Leg 197: sample 1204A-9R-1 92-94cm feldspar
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
40Ar/39Ar Ages for Emperor Seamounts from ODP Leg 197: sample 1204B-14R-2 131-134cm feld
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

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