Portal Home
Thumbnail Icon Science Keywords > SOLID EARTH > ROCKS/MINERALS/CRYSTALS > IGNEOUS ROCKS



Refine by Category
 
Refine by Full Text

 

51 Titles Match Your Query
Showing 1 through 50 of 51 Next
1. Field mapping data and petrological collections for petrography, geochronology and geochemistry, of rocks from Mt Morning, southern Victoria Land, Antarctica [K062_2004_2006_NZ_1]
Mt Morning is the most southerly of a series of central type volcanoes that make up the McMurdo Volcanic Group of south Victoria Land. It is characterised by a trachyte - basanite - phonolite assemblage. ...


2. Early geological, glaciology and biological investigations of the McMurdo Dry Valleys, the Koettlitz Glacier area and Darwin Glacier area by Victoria University of Wellington Antarctic Expeditions [K042_1957_1963_NZ_1]
The Victoria University of Wellington Antarctic Expedition (VUWAE) was mounted to complete the detailed investigations of the extensive ice free area of Victoria Land between the Taylor and Mackay ...


3. Determination of a polar wander path for Beacon Supergroup at Mount Bastion, West Beacon and Table Mountain [K042_1978_1979_NZ_1]
The Beacon Supergroup in the McMurdo Sound region is a flat lying continental sequence about 2000m thick and ranging in age from Early Devonian to Late Triassic (400 to 180 my BP). A polar wander ...


4. Evaluation of a portable drill for obtaining orientated paleomagnetic samples and detailed mapping and sampling of McMurdo volcanics for petrographic examination and detailed geochemistry studies [K042_1971_1972_NZ_1]
An evaluation of the use a portable drill for obtaining oriented paleomagnetic samples was undertaken on Ross Island. In all, 19 sites were sampled using the drill at Cape Crozier, Cape Bird, Cape ...


5. Examination of the Beacon Group stratigraphy and paleontology between the Boomerang and Olympus Ranges [K042_1968_1969_NZ_1]
The Beacon Group stratigraphy and paleontology between the Boomerang and Olympus Ranges was investigated in two phases. The first phase involved visits to ranges and nunataks around the Skelton Neve ...


6. Geological examination and sampling of Devonian Aztec Siltstone, the fish bearing red bed sequence and Permian coal measures for pollen and coal rank studies [K042_1973_1974_NZ_1]
Sections of Aztec siltstone at Mt Metschel, in the Alligator Peak area, Shapeless Mountain, Mount Fleming, the Lashly Mountains and Aztec Mountain were examined and sampled on a very detailed scale ...


7. Geological examination, mapping and sampling of the Mawson Volcano breccias at Shapeless Mountain and Allan Hills [K042_1972_1973_NZ_2]
A detailed study and sampling programme of the Mawson volcano breccia was carried out at Shapeless Mountain and on neighbouring Mistake Peak. Paleomagnetic measurements were used to determine the ...


8. Geological examination, stratigraphic sections, mapping and sample collection of Beacon and Ferrar rocks and fossils in the area between the Skelton Neve and the Mackay Glacier [K042_1971_1972_NZ_3]
Beacon and Ferrar rocks were studied just west of the Dry Valleys, between the Skelton Neve and the Mackay Glacier area. Detailed stratigraphic sections were measured with staff and level at Mistake ...


9. Geological investigations of the Cambrian and Beacon sediments in the Bryd Glacier/Darwin Glacier region [K042_1978_1979_NZ_2]
Cambrian and Beacon sediments in the Byrd Glacier region of the Darwin Mountains were investigated. The sites visited included Mt Rainbow, Kiwi Pass, Mt Egerton, Mt Durnford, Mt Field, Mt Tuatara, ...


10. Geological investigations of the basement rocks in the Evans Neve area, North Victoria Land [K042_1971_1972_NZ_2]
The basement rocks in a small area on the eastern edge of the Evans Neve, north Victoria Land were studied. The areas visited and examined included Mt Overlord, Mt Goby and the Retreat Hills, The ...


11. Geological mapping and examination of the Beacon SuperGroup in Victoria Land: Beacon Heights, Skelton Neve, Portal Mountain and Horseshoe Mountains, Allan Hills, Darwin Mountains and Victoria Valley area [K042_1970_1971_NZ_1]
The stratigraphy of the Beacon Super Group in the Beacon Heights was previously described. This study was continued this season, extending the stratigraphy northward to the Mackay Glacier and southward ...


12. Geological mapping and investigations of the Permian Maya Erosion Surface, Metschel Tillite, Pre-Pleistocene tills and Wellar Coal Measures in the Upper Taylor Glacier area and Coombs Hills [K042_1977_1978_NZ_2]
Geological investigation in the upper Taylor Glacier was conducted and had three objectives; 1) To locate and examine at Kennar Valley, Finger Mountain and Mount Feather, within the Quartermain Mountains ...


13. 1:25,000 geological mapping of the St Johns Range from the central Wright Valley to the Mackay Glacier and from the Miller Glacier to west of Victoria Valley [K112_1990_1991_NZ_1]
The DSIRGEO mapping programme in the 1990/91 season was designed to link the area covered in 1989/90 (Convoy Range) with that covered in 1988/89 (Thundergut Sheet). The eventual aim of the programme ...


14. Examination and sampling of igneous dykes in the Dry Valleys [K003_1972_1974_NZ_1]
Igneous dykes in the igneous and metamorphic basement rocks at Lake Vanda and several other localities in the Dry Valleys area was studied. The dykes of porphyry and older so called lamprophyre in ...


15. Geochemistry, petrology and structure of Mt Dromedary/Koettlitz glacier area [K002_1970_1974_NZ_1]
Geological investigations and mapping was conducted in the Mt Dromedary/Koettlitz Glacier area over two field seasons. Detailed geological mapping was conducted at a 1:50,000 scale. Sufficient samples ...


16. Geological investigations (locations, descriptions, chemical and petrographic analysis) of the coal seams in the Upper Wright Valley [K112_1982_1983_NZ_1]
The presence of coal seams in the Permian strata and to a lesser extent in the Mesozoic sequences in the vicinity of the Upper Wright Valley, South Victoria Land were investigated. Detailed geological ...


17. Geological investigations of geological markers and UTh-He apatite analysis of collected samples to determine the nature, amount and timing of vertical and horizontal deformation along the Transantarctic Mountains [K101_2002_2003_NZ_1]
Geological investigations were conducted to better constrain the nature, amount and timing of vertical and horizontal deformation along the Transantarctic Mountains. Geological markers, both horizontal ...


18. Geological investigations of the fault lines in the rocks of the Transantarctic Mountains in the area of the Wilson Piedmont Glacier to understand uplift of the mountain range [K112_1997_1998_NZ_1]
Inferred fault lines in the rocks of the Transantarctic Mountains in the area of the Wilson Piedmont Glacier were investigated to add to the understanding of the uplift of the mountain range. Specifically, ...


19. Geological investigations, triangulation surveys and glaciology investigations of the Upper Tucker Glacier area, North Victoria Land, and around Scott Base [K002_1962_1963_NZ_3]
Intensive geological work was conducted in the Tucker Glacier area of North Victoria Land. The work area overlapped the Geological Survey of the 1957-58 Expedition and this was helpful to correlate ...


20. Geological mapping (1:25,000) of the western parts of the Asgard and Olympus Ranges, South Victoria Land [K112_1982_1983_NZ_2]
Geological mapping at a scale of 1:25,000 of the western parts of the Asgard and Olympus Ranges adjacent to Mt Fleming and Shapeless Mountain was completed. A total area of 950 km2 was mapped. Three ...


21. Geological mapping 1:50,000 in the Convoy Range and determining the glacial history through surficial deposit mapping and investigations [K112_1989_1990_NZ_1]
1:50,000 geological mapping of the Convoy Range was conducted covering an area of some 2,500 square kilometres extending from the Mackay Glacier in the south to the Fry and Chattahoochee Glaciers ...


22. Geological mapping 1:50,000 in the Thundergut area (Olympus and Asgard Range, Taylor Glacier), South Victoria Land [K112_1988_1989_NZ_1]
1:50,000 geological mapping of the Thundergut area was conducted covering an area from the western tip of the Kukri Hills, as far west as the Solitary Rocks, Friis Hills and Asgard Ranges and as far ...


23. Geological mapping 1:50,000 in the areas between the Asgaard and Clare Ranges, South Victoria Land [K112_1992_1993_NZ_1]
Geological mapping 1:50,000 was conducted in South Victoria Land to draw together previous mapping works to produce a map of the geology between the Asgaard and Clare Ranges. Previous work includes ...


24. Geological mapping 1:50,000 in the upper Ferrar Glacier area: the massifs of Pivot Peak, Terra Cotta, Knobhead, Table Mountain and Rotunda [K112_1987_1988_NZ_1]
1:50,000 geological mapping was conducted at the head of the Ferrar Glacier including the massifs of Pivot Peak, Terra Cotta, Knobhead, Table Mountain and Rotunda. The exposed rocks are almost entirely ...


25. Geological mapping of the Beacon Supergroup at Mt Bastion, Skew Peak and Robinson Peak, South Victoria Land [K112_1984_1985_NZ_1]
The coal measure sequence in the Beacon Supergroup extends northwards from the Upper Wright Valley towards the Willett Range area (Mt Bastion/Skew Peak/Robison Peak). An area approximately 1,000km2 ...


26. Investigation of the factors controlling the distribution of desert varnish in the Wright Valley [K008_1972_1973_NZ_1]
An investigation of the factors controlling the distribution of desert varnish in the Wright Valley, Antarctica was conducted. Traverses were made on foot throughout the Wright Valley and revealed ...


27. Geological mapping and reconnaissance of the Edward VII Peninsula, Marie Byrd Land [K151_1987_1988_NZ_1]
A field expedition visited all of the rock outcrops in the Edward VII Peninsula, Marie Byrd Land. The principal objective was to undertake geological studies and make collections for future geochronological ...


28. K-Ar and Rb-Sr dating of collected rocks from the Priestley Formation, Bowers/Wilson and Bowers/Robertson Bay Terrane boundaries in the Preistley and Mariner Glacier areas, North Victoria Land [K231_1990_1991_NZ_1]
One of the best exposed geological cross sections of the Antarctic continent occurs in the northern sector of the Transantarctic Mountains along the west coast of the Ross Sea in North Victoria Land. ...


29. Paleomagnetic samples and geological mapping of the basement geology of the Daniels Range and the Rennick Glacier area in North Victoria Land [K017_1981_1982_NZ_1]
A collection of paleomagnetic rock samples including Jurassic volcanics and dolerites, Beacon Supergroup, Devonian-Carboniferous volcanics, Paleozoic Granitoids and Cambrian Volcanics and sediments ...


30. Soil, relic ice, permafrost, Hart Ash and granite samples from the Lower Victoria Valley, Beacon Valley, near the Meserve Glacier in Wright Valley, and Kennar Valley to determine the deposition of this ice [K047_2004_2006_NZ_1]
Ancient glacial ice that has stagnated and lies buried underneath rock debris has been found in the Beacon Valley and more recently in several other valleys. This ice poses the possibility of obtaining ...


31. The geotechnical properties of Ferrar dolerites [K025_1987_1988_NZ_1]
A study of the strength of dolerites in the Dry Valleys region of Antarctica was undertaken in order to define the range of geomechanical properties expressed by these rocks and to examine the relationship ...


32. Volcanogenic and sedimentary deposits at Mt Watters [K042_2000_2001_NZ_1]
Volcanogenic and sedimentary deposits that comprise Mt Watters were mapped and sampled at Allan Hills to determine the nature of the feature and the eruptive event which produced it. Collected data ...


33. Collection of display specimens for Canterbury Museum [K026_1975_1976_NZ_1]
A broad range and size of geological specimens, suitable for display purposes, was collected from the Ross Dependency, to give the public a better knowledge of the type of rocks outcropping in the ...


34. Greywacke and volcanic rock samples from Robertson Bay area, North Victoria Land, Antarctica [K104_2005_2006_NZ_1]
A collection of 97 individual rock samples from the Robertson Bay area of North Victoria Land (between Cape Scott, Mount Minto, Cape Hallett and Protection Cove) were collected to improve understanding ...


35. A reconstruction of the record of volcanic processes within the vent of a large and explosive basaltic eruption in the Mawson Formation in the Allan Hills [K061_2001_2002_NZ_2]
The contact relationship between volcanic deposits and surrounding country rocks of the Beacon Supergroup are steep over a large area. Beyond the landslide deposits along the contact between Beacon ...


36. Geochemistry, paleomagnetism and intrusive history of the Ferrar Dolerites, Antarctica [K061_2004_2007_NZ_1]
A suite of geological samples were collected in the Transanatarctic Mountains for paleomagnetic and geochemical analysis. Combined with field observations, these samples will help determine magma ...


37. Investigation into the Mawson Formation volcanics of southern Allan Hills and comparisons with northern Allan Hills and Carapace Nunatak [K061_2003_2004_NZ_1]
The thick, laterally continuous block-rich volcaniclastic layer of the southern Allan Hills area was examined to determine their source and mode of emplacement. Extensive geological mapping of the ...


38. Investigation of the shape, scale and distribution of irregular zones of fragmental rocks of the Mawson Formation at Coombs Hill to determine the precesses of volcanic vent evolution [K061_2002_2003_NZ_1]
The shape, scale and distribution of irregular zones of fragmental rocks within the overal chaotic deposits of the lower 300m of the Mawson Formation at Coombs Hills was determined. The chaotic deposits ...


39. Mapping of the relationship among country rock, non-explosive intrusive rocks and deposits of explosive eruptions of the Mawson Formation in the Allan Hills as an indication of phreatomagmatic eruption processes [K061_2001_2002_NZ_1]
Phreatomagmatic eruptions are common and dangerous worldwide. How large explosive event complexes evolve during eruptions, the processes that drive the evolution and what is in the rock record was ...


40. The direction of magma flow and behaviour of the magma in the formation of the Ferrar Large Igneous Province 180 million years ago, Pandora Spyre and Terra Cotta Mountain, Victoria Land [K061_2007_2008_NZ_1]
Exposed at Terra Cotta Mountain and Pandora Spyre are vertical bladelike bodies of basaltic rock which cut across older pale colored sedimentary rocks. The pathway the magma took to the earth's surface ...


41. The direction of magma flow in the formation of the Ferrar Large Igneous Province 180 million years ago, Coombs Hills, Victoria Land [K061_2005_2006_NZ_1]
Exposed at Coombs Hills are vertical bladelike bodies of basaltic rock that cut across older white sedimentary rocks and through deposits of a Jurassic volcanic complex (Mawson Formation). The majority ...


42. The direction of magma flow in the formation of the Ferrar Large Igneous Province 180 million years ago, Mt Gran and Terra Cotta Mountain, Victoria Land [K061_2004_2005_NZ_1]
An outcrop of the 'plumbing system' of one of the largest volcanic events known was investigated at Mt Gran and Terra Cotta Mountain (Victoria Land) to determine how magma reached the surface to feed ...


43. The physical features and dynamics of Ferrar dolerite dykes and sills within the Allan Hills, Victoria Land [K061_2006_2007_NZ_1]
At Allan Hills, dykes and sills are respectively sub-vertical and sub-horizontal magma bodies of fine textured basaltic rock, remnants of the formation of the Ferrar Large Igneous Province when large ...


44. Volcanology and sedimentology of the phreatomagmatic eruptive system of the Mawson Formation in Coombs Hills, Victoria Land, Antarctica [K061_1999_2000_NZ_1]
The volcanology and sedimentology of a phreatomagmatic eruptive system in the Coombs Hills, Victoria Land was investigated to determine how magmatism is initiated and evolves during continental rifting. ...


45. Age determination of the detrital zircon component of crustal slices of Ross Orogen from the Skelton Glacier and Royal Society Ranges areas [K062_2003_2004_NZ_1]
It is suggested that the Ross Orogeny is composed of a wide variety of crustal slices that are exotic to their present location and were accreted to the East Antarctic craton during the lower paleozoic ...


46. Geological mapping and analysis of granitoid basement rocks near the Carlyon Glacier and Brown Hills area to determine the tectonic environment during the Ross Orogeny [K062_2000_2001_NZ_1]
The Ross Orogeny refers to a sequence of geological events when East and West Antarctica met, resulting in subduction with associated deformation, crustal thickening, metamorphism and igneous activity. ...


47. Geological mapping and geochemical and geochronological analysis of anomalous plutonic rocks in the Koettlitz Walcott Glacier and Skelton-Glacier and Hoopers Crags area [K062_1997_1999_NZ_1]
The Ross Orogeny refers to the collision event when East and West Antarctica met, resulting in subduction with associated deformation, crustal thickening, metamorphism and igneous activity. In the ...


48. Geological mapping and geochemical and geochronological analysis of metamorphic basement rocks and the McMurdo volcanics in the Skelton-Glacier and Hoopers Crags area [K062_1998_1999_NZ_1]
The Ross Orogeny refers to the collision event when East and West Antarctica met, resulting in subduction with associated deformation, crustal thickening, metamorphism and igneous activity. The nature ...


49. Geological mapping and geochemical and geochronology analysis of rock samples from Panarama Ridge in the Koetllitz-Walcott Glacier area [K062_1997_1998_NZ_1]
The Ross Orogeny refers to the collision event when East and West Antarctica met, resulting in subduction with associated deformation, crustal thickening, metamorphism and igneous activity. In the ...


50. Geological observations and geochemistry analysis of samples of all rock outcrops from White Island, McMurdo Sound [K062_2003_2004_NZ_2]
The geology of White Island was investigated by visits to all major areas of rock outcrops. The geology was described and samples were collected for lab analysis. Xenoliths were also collected and ...


Showing 1 through 50 of 51 Next

Link to NASA website
Responsible NASA Official:   Dr. Stephen Wharton
Webmaster:   Monica Holland   ·  Contact GCMD User Support for assistance