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properties of dolarite

properties of dolarite

Northern Ireland Geology - Dolerite

Northern Ireland Geology - Dolerite. Dolerite is a volcanic rock. While similar to basalt, it contains crystals which can be seen with a hand lens. This indicates that it cooled a little more slowly than basalt. Typically it is found in volcanic plugs which channeled the basalt to the surface.

Dolerite - YouTube

Mar 27, 2012· This Dolerite specimen formed from the cooling of a shallow intrusion of magma within rocks below a massive outpouring of basaltic lava in Antarctica around 183 million years ago. It was part of a ...

Diabase - Igneous Rocks

Diabase (dolerite) is a dark-colored igneous rock.It is compositionally equivalent to gabbro and basalt but texturally between them. Diabase is a common rock type.It occurs mostly in shallow intrusions (dikes and sills) of basaltic composition.

What are some properties of Dolerite? | Yahoo Answers

Apr 21, 2010· Best Answer: Dolorite also goes by the names diabase and microgabbro... so keep that in mind. It's a medium-grained igneous rock usually found in shallow level intrusions like dykes, sills, or volcanic plugs. It contains largely plagioclase feldspar, pyroxene, and augite, with labradorite and titanaugite as additional "essential" minerals (the last two being good identifiers). magnetite ...

Diabase - Wikipedia

Diabase (/ ˈ d aɪ. ə b eɪ s /) or dolerite or microgabbro is a mafic, holocrystalline, subvolcanic rock equivalent to volcanic basalt or plutonic gabbro. Diabase dikes and sills are typically shallow intrusive bodies and often exhibit fine grained to aphanitic chilled …

Dolerite - SlideShare

Jun 18, 2017· Dolerite 1. • Introduction • Mineralogy • Textures • Classification of dolerite • Dolerite dyke • Formation of dolerite • Distribution • Uses • Conclusion 2. • A dolerite is the medium-grained equivalent of a basalt - a basic rock dominated by plagioclase and pyroxene.

Diabase - Wikipedia

Division of Mines and Mineral Resources - Report 1991/22 Some physical properties of dolerite by D.J. Sloane Abstract Dolerite, an igneous rock, is exposed over half of Tasmania. The good physical and chemical properties of the rock make it suitable fora wide variety of uses. Crushed rock is used as aggregate in concrete, as road sub-base and

What are the properties of a dolerite rock - answers.com

Dolerite is a dark, igneous rock. It is formed under basaltic volcanoes, like those at mid-ocean ridges. It cools pretty quickly when magma moves into the fractures and weak zones below a volcano.

Preseli Bluestone Meaning & Use: Embody Strong Shamanic ...

Their metaphysical properties also relate to their action when used in meditation to travel back in time, and learn about past lives in ancient Celtic Britain and in ancient Egypt. Where Is It From? The stone is spotted Dolerite which contains feldspar, with inclusions …

Dolomite Mineral | Uses and Properties - Geology

The uses and properties of the mineral Dolomite. What is Dolomite? Dolomite is a common rock-forming mineral.It is a calcium magnesium carbonate with a chemical composition of CaMg(CO 3) 2.It is the primary component of the sedimentary rock known as dolostone and the metamorphic rock known as dolomitic marble.Limestone that contains some dolomite is known as dolomitic limestone.

What Is Dolerite? | Reference.com

What Is Dolerite? A dolerite, also called a diabase, is an igneous rock, which means it was generated from the cooling and solidification of molten Earth material. It is also referred to as a volcanic rock.

Dolerite | Definition of Dolerite by Merriam-Webster

Dolerite definition is - any of various coarse basalts. History and Etymology for dolerite. French dolérite, from Greek doleros deceitful, from dolos deceit; from its being easily mistaken for diorite

Diabase | rock | Britannica.com

Diabase, also called Dolerite, fine- to medium-grained, dark gray to black intrusive igneous rock.It is extremely hard and tough and is commonly quarried for crushed stone, under the name of trap. Although not popular, it makes an excellent monumental stone and is one of the dark-coloured rocks commercially known as black granite.Diabase is widespread and occurs in dikes (tabular bodies ...

Soil development on dolerite and its implications for ...

Soil development on dolerite and its implications for landscape history in southeastern Tasmania Rafael Osok and Richard Doylea School of Agricultural Science, University of Tasmania, PO Box 252-54, Hobart, TAS 7001 Abstract Soil genesis has been examined using field description, particle size distributions, chemical properties, mineralogy and ...

GEOMECHANICAL PROPERTIES AND ECONOMIC …

GEOMECHANICAL PROPERTIES AND ECONOMIC POTENTIALS OF DOLERITE ROCKS FROM S.E. NIGERIA Oden Michael I1., Igonor,Emmanuel E 2 and Essien, Nse U 1. 1Department of Geology, University of Calabar,Cross ...

Diorite: Igneous Rock - Pictures, Definition & More

Diorite is an intrusive igneous rock of intermediate composition. Uses of Diorite. In areas where diorite occurs near the surface, it is sometimes mined for use as a crushed stone.It has a durability that compares favorably to granite and trap rock.It is used as a base material in the construction of roads, buildings, and parking areas.

Dolerite - MatWeb

Dolerite, Igneous rock, with a grain size Property values are typical of naturally occurring Dolerite. Actual property values will vary from sample to sample. Advertise with MatWeb! Data sheets for over 130,000 metals, plastics, ceramics, and composites. HOME ...

The Diabase or Dolerite Family of Rocks - varieties, uses ...

the diabase (dolerite) family This is a name given to those varieties of what would otherwise be diorite and gabbro which are too fine-grained in character to enable one to tell whether the dark-colored mineral which they contain is hornblende or pyroxene without the use of a microscope.

What is dolerite rocks used for - answers.com

Dolerite rocks are a type of igneous rocks (formed as a result of cooling of magma or lava). They are mafic (45-52% SiO2), and subvolcanic (formed within the earth's crust). ... Which properties ...

Dolerite | Definition of Dolerite at Dictionary.com

Dolerite definition, a coarse-grained variety of basalt. See more.

Properties | Definition of Properties at Dictionary.com

Properties definition, that which a person owns; the possession or possessions of a particular owner: They lost all their property in the fire. See more.

PHYSICAL PROPERTIES - Ocean Drilling Program

Dolerite bulk densities were found to vary between 2.50 and 3.00 g·cm-3 (Fig. F75A). By comparison with bulk densities from the index properties measurements, GRAPE densities were generally found to be 0.2 to 0.3 g·cm-3 lower in cores recovered from Hole 1109D (i.e., beneath 380 mbsf in Fig. F75A). This discrepancy most likely relates to the ...

(PDF) Soil development on dolerite and its implications ...

PDF | Soil genesis has been examined using field description, particle-size distributions, chemical properties, mineralogy and elemental distributions of five soil profiles developed on dolerite ...

Quartz-dolerite - Wikipedia

Quartz-dolerite contains many cooling fractures and weathers badly, becoming unstable. It is not uncommon for large boulders to break loose, and significant rockfalls are not uncommon. It is regarded as dangerous as far as climbing is concerned. This article related to petrology is a stub.

Rock properties - OoCities

Rock properties and their importance to stoneworking, carving, and lapidary working of rocks and minerals by the ancient Egyptians Archae Solenhofen ([email protected]) Last …

Dolerite - definition of dolerite by The Free Dictionary

5% ABV, available in 330ml bottles at the Gravity Station, Womanby Street, Cardiff The Bluestone Brewery of north Pembrokeshire, named after the Dolerite rocks of the area that were used to build the smaller stones of Stonehenge, is situated in Cilgwyn, in the foothills of the Preseli Mountains.

dolomite | Formation, Structure, Properties, Uses, & Facts ...

Dolomite, type of limestone, the carbonate fraction of which is dominated by the mineral dolomite, calcium magnesium carbonate. Along with calcite and aragonite, dolomite makes up approximately 2 percent of the Earth's crust. Learn more about the structure, properties, and uses of dolomite in this article.

Dolerite - collecting-rocks-and-minerals.com

Dolerite. By Oor Woolie via Flickr.com It often forms in basaltic provinces as sills and dykes, (which are igneous intrusions). By brewbooks via Flickr.com Some of the most famous occurences are in New Jersey in The US (the famous Palisades), at Lake Superior in Canada, in north-east England (as well as the famous ancient stone circle Stonehenge!

Black dimensional stones: geology, technical properties ...

Geochemistry and petrography determines the intensity of the black color. The Uruguayan dolerite Absolute Black is the darkest black dimensional stone analyzed in this study. The petrophysical properties of Uruguayan dolerites make them one of the highest quality black dimensional stones.

Healing Properties of Gemstones and Crystals

Jun 25, 2019· However, some stones have earned a reputation to be especially helpful in certain areas. You could consider these stones healing specialists! The crystals and gemstones that are attributed to the spiritual properties given here are a sampling to help …