Online link | https://geo-nsdi.er.usgs.gov/metadata/open-file/97-681/isoseis.faq.html |
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Description | Isoseismals of historic Central U.S. earthquakes are contained in 26 separate coverages. Margaret Hopper provided these isoseismals after reexamining the intensity data and re-calculating the isoseismal contours. She generated isoseismal contours for eac |
Originators | Rhea, Susan |
Publication | U.S. Geological Survey Open-File Report 97-0681 |
Black Rock Core Log. Lithologic description containing information on grain size, color, bedding structures, sedimentary structures and occurance of plant-macrofossils. >apx1.tab 1 Depth (feet) >apx1.tab 2 Depth (meters) >apx1.tab 3 Grain size description >apx1.tab 4 Color of material >apx1.tab 5 Bedding / sedimentary structures >apx1.tab 6 Miscellaneous notes Black Rock Core Paleomagnetic Data. Paleomagnetic inclination measured by either Alternating Field demagnetization method or thermal demagnetization method. >apx2.tab 1 Sample Label >apx2.tab 2 Depth of sample (feet) >apx2.tab 3 Depth of sample (meters) >apx2.tab 4 Declination (degrees) >apx2.tab 5 Inclination (degrees) >apx2.tab 6 Delta (degrees) >apx2.tab 7 Intensity >apx2.tab 8 Polarity (Reversed/Not Reversed) >apx2.tab 9 Method of Demagnetization (Thermal/Alternating Field) Black Rock Core Pollen Data. Counts of 57 pollen taxa from 159 samples from the Black Rock core. >apx3.tab 1 Depth (feet) >apx3.tab 2 Sum Terrestrial Pollen Sum >apx3.tab 3 Abies Abies count >apx3.tab 4 Junip. Juniperus-type count >apx3.tab 5 Picea Picea count >apx3.tab 6 Pinus Pinus count >apx3.tab 7 Ps./La. Pseudotsuga/Larix count >apx3.tab 8 Ts.he. Tsuga heterophylla count >apx3.tab 9 Ve.un. Vesiculate conifer undif. count >apx3.tab 10 Ep.tr. Ephedra trifurca-type count >apx3.tab 11 Ep.vi. Ephedra viridis-type >apx3.tab 12 Acer Acer count >apx3.tab 13 Alnus Alnus count >apx3.tab 14 Arce. Arceuthobium count >apx3.tab 15 Betula Betula count >apx3.tab 16 Celtis Celtis count >apx3.tab 17 Cerc. Cercocarpus-type count >apx3.tab 18 Frax. Fraxinus count >apx3.tab 19 Frem. Fremontodendron? count >apx3.tab 20 Holo. Holodiscus-type count >apx3.tab 21 Popu. Populus count >apx3.tab 22 Pote. Potentilla count >apx3.tab 23 Pter. Pterocarya? count >apx3.tab 24 Quer. Quercus count >apx3.tab 25 Rham. Rhamnaceae count >apx3.tab 26 Rosa. Rosaceae count >apx3.tab 27 Salix Salix count >apx3.tab 28 Sh./E. Shepherdia/Elaegnus count >apx3.tab 29 Symp. Symphoricarpos/Lonicera count >apx3.tab 30 Ulmus Ulmus count >apx3.tab 31 Ambr. Ambrosia-type count >apx3.tab 32 Arte. Artemisia count >apx3.tab 33 Tubu. Tubuliflorae count >apx3.tab 34 Ligu. Liguliflorae count >apx3.tab 35 Ch.Am. Chenopodiaceae/Amaranthus count >apx3.tab 36 Sarc. Sarcobatus count >apx3.tab 37 Poac. Poaceae count >apx3.tab 38 Apia. Apiaceae count >apx3.tab 39 Bras. Brassicaceae count >apx3.tab 40 Cary. Caryophyllaceae count >apx3.tab 41 Erio. Eriogonum count >apx3.tab 42 Euph. Euphorbiaceae count >apx3.tab 43 Faba. Fabaceae count >apx3.tab 44 Gili. Gilia-type count >apx3.tab 45 Onag. Onagraceae count >apx3.tab 46 Phlox Phlox count >apx3.tab 47 Pole. Polemonium count >apx3.tab 48 Poly. Polygonaceae count >apx3.tab 49 Sola. Solanaceae count >apx3.tab 50 Thal. Thalictrum count >apx3.tab 51 Unkn. Unknown count >apx3.tab 52 Inde. Indeterminate count >apx3.tab 53 Mono. Monlete spores count >apx3.tab 54 Tril. Trilete spores count >apx3.tab 55 Cype. Cyperaceae count >apx3.tab 56 Myri. Myriophyllum count >apx3.tab 57 Ty.Sp. Typha/Sparganium count >apx3.tab 58 Pota. Potamogeton count >apx3.tab 59 Rupp. Ruppia count >apx3.tab 60 Botr. Botryococcus count >apx3.tab 61 Pedi. Pediastrum count >apx3.tab 62 Tracers Tracers count Pit of Death Core Log. Lithologic description of the Pit of Death Core containing information on grain size, color, bedding structures, sedimentary structures and occurance of plant-macrofossils. >apx4.tab 1 Depth (feet) >apx4.tab 2 Depth (meters) >apx4.tab 3 Grain size description >apx4.tab 4 Color of material >apx4.tab 5 Nature of boundary >apx4.tab 6 Bedding / sedimentary structures >apx4.tab 7 Miscellaneous notes Pit of Death Core Paleomagnetic Data. Paleomagnetic inclination measured by either Alternating Field demagnetization method or thermal demagnetization method. >apx5.tab 1 Sample Label >apx5.tab 2 Depth of sample (feet) >apx5.tab 3 Depth of sample (meters) >apx5.tab 4 Declination (degrees) >apx5.tab 5 Inclination (degrees) >apx5.tab 6 Delta (degrees) >apx5.tab 7 Intensity >apx5.tab 8 Polarity (Reversed/Not Reversed) >apx5.tab 9 Method of Demagnetization (Thermal/Alternating Field) >2-material/fig2.ps Vector component diagrams indicating representative demagnetizationbehavior of paleomagnetic samples. >http://pubs.usgs.gov/of/1995/of95-001/3-black_rock/fig3.gif >http://pubs.usgs.gov/of/1995/of95-001/3-black_rock/fig3.ps Diagram showing paleomagnetic interpretation, lithology, occurance of seeds, occurance of root traces, occurance of leaf impressions and magnetic susceptibility in the Black Rock core. >http://pubs.usgs.gov/of/1995/of95-001/3-black_rock/fig4.gif >http://pubs.usgs.gov/of/1995/of95-001/3-black_rock/fig4.ps Diagram showing the paleomagnetic inclination record of the Black Rock core. >http://pubs.usgs.gov/of/1995/of95-001/3-black_rock/fig5.gif >http://pubs.usgs.gov/of/1995/of95-001/3-black_rock/fig5.ps Diagram showing age vs. depth relationship based on paleomagnetics and tephrochronology in the Black Rock Core. >http://pubs.usgs.gov/of/1995/of95-001/3-black_rock/fig6.gif >http://pubs.usgs.gov/of/1995/of95-001/3-black_rock/fig6.ps Diagram showing paleomagnetic record and pollen percentages of 15 taxa in the Black Rock core. >http://pubs.usgs.gov/of/1995/of95-001/3-black_rock/fig7.gif >http://pubs.usgs.gov/of/1995/of95-001/3-black_rock/fig7.ps Diagram showing paleomagnetic record and pollen summary diagram of Conifers vs. Steppe plants vs. Other taxa. vs aquatic pollen types occuring in the Black Rock Core >http://pubs.usgs.gov/of/1995/of95-001/3-black_rock/fig8.gif >http://pubs.usgs.gov/of/1995/of95-001/3-black_rock/fig8.ps Diagram of Three-level moving averages of conifer and steppe pollen from the Black Rock Core vs. time. >http://pubs.usgs.gov/of/1995/of95-001/4-pit_of_death/fig9.gif >http://pubs.usgs.gov/of/1995/of95-001/4-pit_of_death/fig9.ps Diagram showing paleomagnetic interpretation, lithology, occurance of mud cracks and magnetic susceptibility in the Pit of Death core. >http://pubs.usgs.gov/of/1995/of95-001/4-pit_of_death/fig10.gif >http://pubs.usgs.gov/of/1995/of95-001/4-pit_of_death/fig10.ps Diagram showing the paleomagnetic inclination record of the Pit of Death core. >http://pubs.usgs.gov/of/1995/of95-001/4-pit_of_death/fig11.gif >http://pubs.usgs.gov/of/1995/of95-001/4-pit_of_death/fig11.ps Diagram showing age vs. depth relationship based on paleomagnetics and tephrochronology in the Pit of Death Core. >http://pubs.usgs.gov/of/1995/of95-001/4-pit_of_death/fig12.gif >http://pubs.usgs.gov/of/1995/of95-001/4-pit_of_death/fig12.ps Diagram comparing the magnetic susceptibiliy records of the Black Rock and Pit of Death cores. >http://pubs.usgs.gov/of/1995/of95-001/4-pit_of_death/fig13.gif >http://pubs.usgs.gov/of/1995/of95-001/4-pit_of_death/fig13.ps Diagram comparing the chronologies and depositional rates of the Black Rock and Pit of Death cores. >http://pubs.usgs.gov/of/1995/of95-001/5-discussion/fig14.gif >http://pubs.usgs.gov/of/1995/of95-001/5-discussion/fig14.ps Diagram comparing the lacustrine histories of Pliocene through Pleistocene sites in western Utah. Paleoenvironmental interpretations summarizing the analysis of approximately 900 ostracode samples from the Black Rock core. Summary of results of analysis of 10 ostracode samples from the Pit of Death core.
http://pubs.usgs.gov/of/1995/of95-001/of95-001.html
Oriented paleomagnetic samples are 2.5 x 2.5 x 1.5 cm. and were collected at 1 meter, (3.3 feet) intervals in both of the studied cores
Label | Definition |
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Paleomagnetic Inclination | Angle at which magnetic field lines dip, measured in degrees from the horizontal. |