Results 111 to 120 of about 7,253 (231)

INFLUENCE OF VOLUME WEIGHT ON GABBRO UNIAXIAL COMPRESSION STRENGTH [PDF]

open access: yes, 2015
Jablanica gabbro represents the highest quality architectural building stone in Bosnia and Herzegovina. Knowledge of the physical and mechanical characteristics of gabbro is an important prerequisite for the proper usage of this rock material. This paper
Ibrahimovic, Adnan   +3 more
core   +1 more source

Pegmatites of the Mount Sheridan Gabbro [PDF]

open access: yes, 2006
The Mount Sheridan Gabbro of the Wichita Mountains Igneous Province, southwestern Oklahoma contains several varieties of pegmatite. Based on field observations, five varieties of pegmatite are recognized: segregated dikes, uniform dikes, pods, diffuse ...
McEllen, Andrew
core  

Gabbro sill in Frontenac Formation [PDF]

open access: yes, 1981
Gabbro dike (dipping from center top to center right) parallels beds in the Frontenac Formation near the summit of Boundary Bald Mountain Project Name: Marvinney Historical Photoshttps://digitalmaine.com/mgs_geologic_field_photos/36854/thumbnail ...
Marvinney, Robert G
core  

Geoquímica do Gabro Coronítico de Amparo (RJ) [PDF]

open access: yesAnuário do Instituto de Geociências, 2002
The aim of this paper is to present geochemical data and some petrological aspects of the Amparo gabbroic (hyperite) body, located approximately 30 km east of the town, Nova Friburgo, Rio de Janeiro State. Ten samples of these basic rocks were analysed
Isabel Pereira Ludka   +1 more
doaj  

Petrography and Geochemistry of the Gabbro Lake Sill, Superior Province, Northwest Ontario [PDF]

open access: yes, 1975
A gabbroic intrusion within the Wabigoon Greenstone Belt, southeast of Dryden Ontario, was studied and mapped. Petrographic examination of the sill was carried out and geochemical whole rock data was obtained using X.R.F. methods.
McMaster, Glenn
core  

Characteristics of ∼40 Ma Mafic Rocks in North Tibet and Their Tectonic Implications

open access: yesGeochemistry, Geophysics, Geosystems
Several magmatic belts are present in the Tibetan Plateau. Among these, the Qiangtang magmatic belt in North Tibet remains elusive. In particular, the petrogenesis, magma source, and tectonic implications of the ultramafic to mafic rocks in the North ...
Shifeng Wang   +3 more
doaj   +1 more source

DIFFERENT GEOCHEMICAL SIGNATURES DEVELOPED IN BASIC MAGMATIC ROCKS OF MT. KALNIK (NORTH CROATIA)

open access: yesRudarsko-geološko-naftni Zbornik, 2004
Basic magmatic rocks of Mt. Kalnik experienced hydrothermal alteration and low grade metamorphism. In such circumstances the most useful tracers of their magma sources and tectonic settings are REE patterns and other normalized trace element abundance ...
Maja Vrkljan, Vesnica Garašić
doaj  

Finding of Inverted Pigeonite from the Gabbro in the Mikabu Zone at Kamiyama, Eastern Shikoku, Japan [PDF]

open access: yes, 1973
The authors have found inverted pigeonite from the gabbro in the Mikabu zone at Kamiyama, Tokushima Prefecture. This paper contains a brief description of the gabbro, and the results of chemical analyses using E.P.M.A. for pyroxenes.
Kaji, Atsuji   +3 more
core  

Study on seismic response of gabbro rock slope based on the back slope effect

open access: yesFrontiers in Materials
IntroductionThe Back Slope Effect (BSE) describes the tendency of slopes facing seismic wave propagation (back slopes) to suffer more landslides than slopes facing the opposite direction (front slopes). Despite its importance in seismic hazard assessment,
Lei Zhang   +6 more
doaj   +1 more source

Norton Pt. - Coarse enclaves in gabbro. Related to granite stringers ? [PDF]

open access: yes, 2019
Norton Pt. - Coarse enclaves in gabbro.
Marvinney, Robert G
core  

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