Results 61 to 70 of about 1,249,010 (209)

Petrography, Mineral Chemistry and Geothermobarometry of Andalusite- Bearing Schists North of Azna (Northern Sanandaj-Sirjan Zone, Iran)

open access: yesJournal of Economic Geology, 2016
Introduction The area studied is located north of Azna (Lorestan Province) in a small portion of the Sanandaj – Sirjan structural zone (Mohajjel et al., 2003).This area is part of the Zagros orogenic belt, formed by the opening and closure of Neotethyan
Karim Abdollahi Silabi   +2 more
doaj  

Revisiting the Jurassic Geomagnetic Reversal recorded in the Lesotho Basalt (Southern Africa)

open access: yes, 2003
We carried out a detailed and continuous paleomagnetic sampling of the reversed to normal geomagnetic transition recorded by some 60 consecutive flow units near the base of the Lesotho Basalt (183  1 Ma).
Camps   +12 more
core   +2 more sources

Lulak Abad Iron Occurrence, Northwest of Zanjan: Metamorphosed and Deformed Volcano-Sedimentary Type of Mineralization in Central Iran

open access: yesJournal of Economic Geology, 2016
Keywords: Iron mineralization, hydrothermal vein, alteration, Lulak Abad, Zanjan, Central Iran Introduction The Lulak Abad iron occurrence is located in the northwestern part of the Central Iran, 55 km west of Zanjan.
Mehri Karami   +2 more
doaj  

Late-Pleistocene Syngenetic Permafrost in the CRREL Permafrost Tunnel, Fox, Alaska [PDF]

open access: yes, 2008
contributing authors: Bjella, K.L., Bray, M.T., Collins, C.M., Douglas, T.A., Fortier, D., French, H.M., Kanevskiy, M.Z., Shur, Y.L.Late-Pleistocene syngenetic permafrost exposed in the walls and ceiling of the CRREL permafrost tunnel consists of ice-and
French, H.M.   +2 more
core  

Dynamic fluvial systems and gravel progradation in the Himalayan foreland [PDF]

open access: yes, 2000
Although the large-scale stratigraphy of many terrestrial foreland basins is punctuated by major episodes of gravel progradation, the relationships of such facies to hinterland tectonism and climate change are often unclear. Structural reentrants provide
Brozovic, Nicholas, Burbank, Douglas W.
core   +1 more source

Photo interpretation of White Sands rocket photography Report no. 2 [PDF]

open access: yes
Photograph interpretation of V-2, Viking, and Aerobee rocket ...
Merifield, P. M., Rammelkamp, J.
core   +1 more source

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