Results 111 to 120 of about 6,255 (170)

Orbicular diorite

open access: yes, 1930
Field Museum of Natural History
core  

Development and Analysis of the Physicochemical and Mechanical Properties of Diorite-Reinforced Epoxy Composites

open access: yesPolymers, 2021
The aim of this paper is to study the effect of a polyfunctional modifier oligo (resorcinol phenyl phosphate) with terminal phenyl groups and a dispersed mineral filler, diorite, on the physicochemical and deformation-strength properties of epoxy-based ...
Marzhan Akhmetova   +2 more
exaly   +2 more sources

Archean Rocks of the Diorite Window Block in the Southern Framing of the Monchegorsk (2.5 Ga) Layered Mafic-Ultramafic Complex (Kola Peninsula, Russia)

open access: yesMinerals (Basel, Switzerland), 2020
The intermediate rocks classified as diorite-gneisses occur within the southern part of the Monchegorsk (2.5 Ga) layered mafic-ultramafic complex (Kola Peninsula, Russia). These diorite-gneisses belong to a block historically known as the diorite window (
Nikolay Groshev   +2 more
exaly   +2 more sources
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Mineralogy and Geochemistry of Diorites and Quartz Diorites of the Bolshoi Karan Gold–Porphyry Deposit in the Southern Urals

Geology of Ore Deposits, 2022
The paper provides information on the chemical composition of intrusive diorites the gold-porphyry deposit of Bolshoy Karan, located in the northern part of the Voznesensk-Prisakmar structural zone (MUF), in the north of the Uchaly ore district. Additional information is given on 1) primary magmatic, 2) accessory, 3) hydrothermal-metasomatic and ...
Alexandr Michailovich Kosarev   +2 more
openaire   +1 more source

The high-K diorites and associated rocks of the Yeoval diorite complex, N.S.W.

Contributions to Mineralogy and Petrology, 1972
Field relationships, petrography and chemistry (including selected trace elements) of an occurrence of high-K diorite from Yeoval, N.S.W., Australia, are described. The Yeoval diorite complex is a calc-alkaline suite of rocks ranging from gabbros through diorites to granites with an association of fine-grained types.
openaire   +1 more source

The Diorites and Associated Rocks of the Glen Tilt Complex, Perthshire. II. Diorites and Appinites

Geological Magazine, 1950
AbstractThe south-eastern margin of the Glen Tilt mass consists of a series of diorites showing a considerable variation in mineralogical and chemical composition. Associated with, and enclosed within, the diorites are a number of small masses of coarser hornblende-felspar rocks which are described as appinites.
openaire   +1 more source

Diorite Segregations in Gabbro: Geochemical Characteristics and Conditions for Origin Assessed at Diorite-Gabbro Contacts

The Journal of Geology, 2009
Abstract Silicic segregation veins in the Basement Sill, Dry Valleys, Antarctica, represent fracture-filling liquids differentiated from mid-Jurassic Ferrar tholeiitic basalt magmas. Geochemical and mineralogical characterizations for several of these veins and for their host gabbros within centimeters of sharp contacts with the veins provide ...
openaire   +1 more source

Diorite

2021
openaire   +1 more source

Diorite and Limestone: A Sumerian Perspective

2014
The author has chosen two stones of favorable destiny, diorite and limestone, as case studies in how the Sumerian poet of Lugale explained and understood their use. He offers these interpretive suggestions from Lagashland to the ummia of Nippur, fully aware that the poet would have approached these problems more cautiously than the author, but taking
openaire   +1 more source

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