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pro vyhledávání: '"N.J. Snelling"'
Autor:
N.J. Snelling, J.K. Chakraverty
Publikováno v:
International Journal of Osteopathic Medicine. 15:22-27
Anterior hip pain is a frequent presentation in both primary care and musculoskeletal practice. Common diagnoses of anterior hip pain include iliopsoas tendinopathy and bursitis, snapping hip syndrome, osteoarthritis of the hip and sacro-iliac joint
Autor:
N.J Snelling
Publikováno v:
Journal of South American Earth Sciences. 8:123-125
Autor:
N.J. Snelling
Publikováno v:
Geological Society, London, Memoirs. 10:3-9
Some history By about the middle of the nineteeth century natural scientists had come to the conclusion that geological time was to be measured in hundreds of millions of years. Darwin in the first edition of The Origin of Species published in 1859 e
Publikováno v:
Bulletin of the Geological Society of Malaysia. 8:89-93
Publikováno v:
Journal of African Earth Sciences (1983). 3:427-435
The Pan-African (800–500 Ma) Older Granite suite of Nigeria is dominated by calc-alkaline, I-type magmatism and is a product of subduction processes at the eastern margin of the West African craton. The Kanoma and Sabon Gida composite plutons of NW
Autor:
N.J. Snelling
Publikováno v:
Chemical Geology. 41:97-100
Publikováno v:
Journal of South American Earth Sciences. 2:49-59
K/Ar ages were determined on a suite of 24 intrusive and extrusive basaltic rocks from the Nicoya Complex as part of a research program investigating the geology and placer gold mineralization of the Osa Peninsula. These isotopic ages indicate submar
Publikováno v:
Marine Geology. 16:M21-M30
Rockall Island is composed of 52 ± 9 Ma (m.y.) aegirine granite and forms part of a nearly planated intrusive complex. The nearby Helen's Reef lies within the complex but is composed of Cretaceous (81 ± 3 Ma) microgabbros. The petrography and chemi
Publikováno v:
The International Journal of Applied Radiation and Isotopes. 13:587-610
Physical and chemical methods used in geochronology are reviewed. Methods used for measuring the age of rocks are based on the decay of the long- lived radioactive isotopes K/sup 40/, Rb/sup 87/, U/sup 238/, U/sup 235/, and Th/ sup 232/. Analysi s by
Publikováno v:
Earth and Planetary Science Letters. 2:5-12
Radiometric dating studies of the Urungwe granite in the northern part of Rhodesia show that the Piriwiri Series is older than 1170 ± 40m.y. and may be older than 1600 m.y.; some previous correlations with the Katanga System (Upper Precambrian) are