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1. Seismological Observatories and Nuclear Monitoring [Seismology_nukes]
Geoscience Australia maintains a database of nuclear explosions with the location, time and size of explosions around the world since 1945. The fields in this dataset are: Date Origin Time Type Site ...


2. A CD snapshot of Heard Island data from 1901-2002 held by the AADC [Heard_data_snapshot_1901-2002]
The CD was produced by the Australian Antarctic Data Centre for distribution to Heard Island expeditioners in the 2003/2004 season. The CD contained all publicly available data held by the Australian ...


3. Geodetic monitoring of isostatic rebound near the Lambert Glacier [GEMIR_GPS_ANU]
The present-day observed change in sea level is the sum of several factors, including the continuing readjustment of the crust to the past redistribution of the surface ice-water load and any present-day ...


4. Geological Observations of Heard Island - 1948 [Heard_Geology_1948]
Taken from the scanned dataset: 1) Summary - Some observations on the geomorphology have been recorded. - Xenolithic ejectamenta collected from the tuffs of Rogers Head and Rogers Head Peninsula ...


5. Heard Island 1986-1987 Scientific Expedition Report [Heard_86-87_Report]
Heard Island Expedition, 16 November 1986 to 21 January 1987, report written by Rod Ledingham, Officer in Charge. Taken from the report: The 1986-87 expedition was the second in a series of three ...


6. Macquarie Island nitrogen dioxide [MACQ_NO2]
Slant column densities of stratospheric nitrogen dioxide (NO2) determined from spectroscopic measurements of zenith scattered twilight at wavelengths from 430-485 nanometres. These data are provided ...


7. Stratigraphy of the Pliocene Sorsdal Formation, Marine Plain, Vestfold Hills, East Antarctica [marine_plain_grain_size]
The data are grain size analyses conducted by Geoscience Australia of samples collected during drilling the sections at Marine Plain. The results are summarised in the Antarctic science paper on ...


8. The 1992 Wintering Field Season at Heard Island [Heard_Island_Report_1992]
1992 Wintering Field Season at Heard Island. Taken from the report: Genesis of the Expedition The concept of the 1992 expedition arose ...


9. Geodynamic Models of Subsidence and Lithospheric Flexure at the ANDRILL Drill Sites: Implications for Cenozoic Tectonics and Ice Sheet History [NSF-ANT10-43700]
Intellectual Merit: This research will place the subsidence history of the southern Victoria Land Basin into a quantitative geodynamic context and will assess the influence of flexure associated with ...


10. A broadband seismic experiment to image the lithosphere beneath the Gamburtsev Mountains, East Antarctica. [ASAC_2919]
Metadata record for data expected from ASAC Project 2919 See the link below for public details on this project. Public Beneath the East Antarctic interior lies a great mountain range, the Gamburtsev ...


11. Accessory mineral behaviour during partial melting in the crust - improving the geochronology of granulite terrains. [ASAC_2690]
Metadata record for data expected ASAC Project 2690 See the link below for public details on this project. Relating ages, determined using the decay of radioactive elements in minerals, to geological ...


12. Archaean to Proterozic Crustal evolution of the Stillwell Hills-Oygarden Group Coastline. [ASAC_2214]
With work carried out under ASAC_1150, the field work involved lithological and structural geological mapping, in addition to the collection of relevant geological speciemens. The quality of the data ...


13. Genesis of Volcanic Rocks, Heard Island [ASAC_400]
Metadata record for data from ASAC Project 400 See the link below for public details on this project. Taken from one of the referenced papers: Oceanic basalts are produced ...


14. Geophysical imaging, structural analysis, alteration geochemistry of Macquarie Island crust, to constrain tectonic, and hydrothermal history of the ocean floor. [ASAC_2409]
Although oceanic crust covers about 60% of the Earth, relatively little is known of its geology and the processes that have created it. Macquarie Island represents a unique subaerial exposure of the ...


15. Geoscience Australia Geophysical Observatories [ASAC_760]
Geoscience Australia Geophysical Observatories Note, there are separate meta-data records for Geomagnetism and for seismology/nuclear monitoring. Brief summary: AGSO operates ...


16. Gondwana Linkages - Geological Mapping of Macquarie Island [ASAC_825]
A series of geological maps of Macquarie Island. Two maps at scale of 1:25,000 and seven maps at a scale of 1:10,000


17. Late Proterozoic Tectonics in the Prydz Bay Area [ASAC_519]
From the abstracts of some of the referenced papers: The East Antarctic mobile belt as exposed in Prydz Bay presents an excellent example of a poly-metamorphic terrain where complicated ...


18. Metamorphic evolution, tectonic setting, partial melting, genesis, structural and chemical processes, and Archaean crustal accretion histories in Prydz Bay [ASAC_Harley]
This dataset represents the collected work arising from ASAC projects 263, 351, 497 and 716 (ASAC_263, ASAC_351, ASAC_497, ASAC_716). The data are pooled together into a single excel file, and presented ...


19. Neogene glacial geology of the Prince Charles Mountains [ASAC_2086]
From the abstracts fo some of the referenced papers: In the Amery Oasis of the northern Prince Charles Mountains, the glaciomarine Bardin Bluffs Formation of the Pagodroma Group was deposited between ...


20. Petrology and Geochemistry of Cambro-Ordovician Granitic Rocks (Granite Harbour Intrusives) from South Victoria Land [ASAC_180]
Owing to the fact that the principal investigstor died before data were able to be archived, the only available data are in the form of the referenced paper, which is available as a PDF download. ...


21. Quaternary Vegetation History of Australian Subantarctic Islands [ASAC_77]
From the abstracts of some of the referenced papers: On Macquarie Island six palaeolake deposits dated from terminal Pleistocene to early-mid Holocene have been found at the top of cliffs ...


22. SCAR - GPS Plate Tectonic Survey [ASAC_541]
Permanent GPS base stations were established at Mawson, Davis, Casey and Macquarie Island (as well as other international sites in Antarctica) as part of the Geodetic Infrastructure in Antarctica ...


23. Selected geomorphologic and stratigraphic investigations, Vestfold Hills [ASAC_959]
From the short note: The ANTARES Accelerator Mass Spectrometry facility at the Australian Nuclear Science and Technology Organisation (ANSTO) is conducting a comprehensive program in the application ...


24. Structural, Metamorphic and Uplift History of the Prince Charles Mountains [ASAC_57]
From the abstracts of two of the referenced papers: The low-temperature (ie less than ~120 degrees C) thermal history of the East Antarctic Shield has been assessed by apatite fission-track ...


25. Structure and geochemistry of Macquarie Island oceanic crust [ASAC_903]
Owing to the fact that the principal investigstor died before data were able to be archived, the only available data are in the form of the referenced paper, which is available as a PDF download. ...


26. Subsurface investigations of Marine Plain [ASAC_2400]
Marine Plain at Vestfold Hills, contains a unique record of sea level, climate and glacial history within its sediments and microfossils. Coring of the deeper sediments will reveal how this part of ...


27. Subsurface investigations of Marine Plain - Environmental photos taken during project [ASAC_2400_Photos]
Overview: 35 Days were spent in ASPA 143 (Marine Plain, Vestfold Hills, East Antarctica) conducting non-invasive geophysical surveys. Surveys included 11 electrical resistivity soundings, 5 electrical ...


28. Testing a Kerguelen Plateau hotspot trace hypothesis [ASAC_3043]
Metadata record for data from AAS (ASAC) project 3043. Public McDonald Island is the southern end of a line of submerged islands (seamounts) evenly spaced, similar to the Hawaiian chain. Here, the ...


29. The deep structure of East Antarctica from broad-band seismic data [ASAC_2303]
Metadata record for data from ASAC Project 2303 See the link below for public details on this project. ---- Public Summary from Project ---- Seismologists investigate deep Earth structure by interpreting ...


30. The geological evolution of the Mawson Coast/Framnes Mountains [ASAC_177]
Metadata record for data from ASAC Project 177 See the link below for public details on this project. From the abstracts of some of the referenced papers: The high-grade metamorphic rocks of the ...


31. Uplift History of the Prince Charles Mountains and the East Antarctic Shield [ASAC_528]
From the abstracts of the two referenced papers: Antarctica's Lambert graben, Australia's North West Shelf, and the eastern Indian Peninsula all host thick, fault-bounded Permian-Triassic ...


32. Heard Island - GPS Topographic Survey 2000/2001 [ASAC_1219_HIMI_topo00-01]
Topographic features surveyed by GPS during the Australian Antarctic Program's 2000/01 expedition on Heard Island. Point data includes the location of volcanic cones, graves, landing areas, automatic ...


33. Heard Island Geodesy. [ASAC_1265]
National Mapping Division (Geoscience Australia) has produced a Technical Report on the Heard Island Geodesy project (ASAC 1265). The main objectives of the 2000 geodetic survey of Heard Island were ...


34. Internal Structure of Uppermost Oceanic Crust Exposed on Macquarie Island: Implications for Seafloor Spreading Processes [ASAC_1184]
This project exploited the unique exposures of the uppermost oceanic crust found on Macquarie Island as a window into the internal structure of the oceanic crust. The form of rock units and the way ...


35. Nature and Evolution of the Upper Mantle beneath Heard Island [ASAC_1243]
This project is using ultramafic xenoliths - samples of the mantle beneath Heard Island to study the formation and evolution of the Kerguelen-Heard Plateau. Such plateaus are thought to represent ...


36. Tectonic, magmatic and hydrothermal evolution of ocean floor spreading at Macquarie Island [ASAC_1318]
Macquarie Island offers a rare land-based cross-section through the deep ocean floor, which covers 60% of our Earth. It formed 11 million years ago as slow spreading crust, which has had minimal study ...


37. The strength of the lower continental crust; evidence from the Stillwell Hills-Oygarden Group Coastline. [ASAC_1150]
The nature of the data were lithological and structural geological mapping, in addition to the collection of relevant geological specimens. The quality of the data collected ranges from detailed form ...


38. Wilkes Land Glacial History (WEGA) [ASAC_1044]
A collaborative Italian/Australian marine geoscience research voyage to the George Vth Land sector of the East Antarctic continental margin was carried out between 11th February and 20th March, 2000, ...


39. Geoscience Australia Antarctic geodetic and geophysical monitoring program [AAS_4092_1159]   CHILD DIFs
Geoscience Australia operates an integrated geophysical observing system in Australia, its neighbouring region and Antarctica. This program represents the Antarctic and sub-Antarctic components of ...


40. NGDC Marine Trackline Geophysics Database [gov.noaa.ngdc.G00129]
This data set contains bathymetry, magnetic, gravity and seismic shot point navigation data collected during marine cruises from 1939 to the present. Coverage is worldwide. These data are stored in ...


41. Natural Hazards Image Database [gov.noaa.ngdc.Hazard_Images_Database]
Photographs and other visual media provide valuable pre- and post-event data for natural hazards. Research, mitigation, and forecasting rely on visual data for post-analysis, inundation mapping and ...


42. Crustal Ages of the Ocean Floor - Poster [gov.noaa.ngdc.mgg.geophysics.G01167]
The Crustal Ages of the Ocean Floor Poster was created at NGDC using the Crustal Ages of the Ocean Floor database draped digitally over a relief of the ocean floor database. The Crustal Ages of the ...


43. Collaborative Research: Geochemical transect from oceanic Adare Basin to adjacent continental Adare Peninsula: implications for the origin of intraplate (HIMU-like) alkaline magmas [SIO_BGSU_ADARE_GEOCHEM]
Detailed analytical studies are still being conducted on Adare Basin samples, but preliminary results for their major element, trace element and Sr-Nd-Pb isotopic compositions resemble those of volcanic ...


44. Behavior of Columns During Earthquakes [gov.noaa.ngdc.mgg.photos.G01215]
The behavior of columns during earthquakes is very important since column failures may lead to additional structural failures and result in total building collapses. For example, in the Mexico City ...


45. Cape Mendocino, CA Earthquakes, April 25 & 26, 1992 [gov.noaa.ngdc.mgg.photos.G01209]
On April 25, 1992, a magnitude 7.1 earthquake occurred in the Cape Mendocino area. Two additional earthquakes, magnitudes 6.6 and 6.7 occurred the next morning. The first earthquake was located six ...


46. Chi-Chi, Taiwan Earthquake, September 21, 1999 [gov.noaa.ngdc.mgg.photos.G02115]
On September 21, 1999, at 1:47 AM local time, a magnitude MW 7.6 earthquake was felt throughout the island of Taiwan. A five county area, including the city of Taichung, experienced the greatest number ...


47. Crater Peak (Mt. Spurr), Alaska: Eruptions of 1992 [gov.noaa.ngdc.mgg.photos.G01228]
Alaska has a number of active and potentially active volcanoes. More than one-half of the population of Alaska lives within 300 km of an active volcano. In the last 100 years there have been two eruptions ...


48. Duzce, Turkey Earthquake, November 12, 1999 [gov.noaa.ngdc.mgg.photos.G01934]
The magnitude 7.2 quake occurred at 6.57 pm local time (16:57 GMT). Duzce lies on the eastern fringe of the region hit by the August 17 quake. Some areas experienced a one-two punch from the 1999 ...


49. Earthquake Damage - General [gov.noaa.ngdc.mgg.photos.G01194]
An earthquake is the motion or trembling of the ground produced by sudden displacement of rock in the Earth's crust. Earthquakes result from crustal strain, volcanism, landslides, and collapse of ...


50. Earthquake Damage in San Francisco, CA, April 18, 1906 [gov.noaa.ngdc.mgg.photos.G01195]
The 1906 San Francisco earthquake was the largest event (magnitude 8.3) to occur in the conterminous United States in the 20th Century. Recent estimates indicate that as many as 3,000 people lost ...


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