Zobrazeno 1 - 10
of 14
pro vyhledávání: '"R H Mcnutt"'
Autor:
R. H. Mcnutt, Alan P. Dickin
Publikováno v:
Geological Magazine. 140:539-548
Fifty new Nd isotope analyses are presented from the North Bay area of the Grenville Province in Ontario. These data are used to map the extent of an allochthonous Grenvillian terrane which is an outlier of the Allochthonous Polycyclic Belt of the Gr
Autor:
R.L. Stotler, R. H. McNutt, Shaun K. Frape, M. Gascoyne, Alexander Blyth, R. Blomqvist, Timo Ruskeeniemi
The debate on the origin and evolution of the fluids in crystalline rocks is very much an ongoing research topic. A number of experimental and research sites, such as the ones discussed in this article, will continue to produce hydrogeochemical infor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ffd3ac9ceb7b83ded564e933946db4a8
https://doi.org/10.1016/b978-0-08-095975-7.00517-9
https://doi.org/10.1016/b978-0-08-095975-7.00517-9
Autor:
R. H. McNutt, Walter A. Gibbins
Publikováno v:
Canadian Journal of Earth Sciences. 12:1990-2003
Consistent rubidium–strontium ages, calculated using mineral–whole rock pairs from the Sudbury area, confirm: (1) the Sudbury event (1900 Ma), (2) the Penokean (Hudsonian) Orogeny (1600–1800 Ma), (3) a cryptic (Elsonian) thermal event (1300–1
Publikováno v:
Canadian Journal of Earth Sciences. 12:209-226
The Whitestone anorthosite and diorite are situated in the Grenville Structural Province north of Parry Sound, Ontario. They are intruded into sediments and igneous rocks, the whole being metamorphosed to amphibolite facies. Aside from soft magnetiza
Publikováno v:
Geologische Rundschau. 72:981-1003
We report the following new40Ar/39Ar ages: 130–150 and 90–100 Ma from monzodiorite and tremolite-actinolite schist of the Kohistan Complex; 44±0.5, 39.7±0.2 Ma from dikes cutting the Ladakh-Deosai Batholith Complex; 130–145 Ma from a diorite
Autor:
Walter A. Gibbins, R. H. McNutt
Publikováno v:
Canadian Journal of Earth Sciences. 12:1970-1989
Whole-rock samples of norite from the North and South Ranges of the Sudbury Irruptive yield a rubidium strontium isochron of 1956 ± 98 Ma age and (87Sr/86Sr)o = 0.7063 (λ87Rb = 1.39 × 10−11 a−1). Five samples of ore bearing 'sub-layer' from th
Publikováno v:
Canadian Journal of Earth Sciences. 19:723-728
Two independent U–Pb zircon ages were measured using norite samples from the North and South Ranges of the Sudbury Nickel Irruptive. Ages of [Formula: see text] and [Formula: see text] Ma were obtained with a probability of fit within experimental
Publikováno v:
Canadian Journal of Earth Sciences. 10:538-550
At Kakagi Lake, a sequence of basaltic rocks is overlain by about 2000 m of pyroclastic rocks. These rocks lack mesoscopic layering, and are very poorly sorted. Most fragments are accessory in nature. Analysis of variation of maximum fragment size, m