Picrite

Oil shale

Picrite and Oil shale

Picrite

Oil shale

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1 Definition

1.1 Definition

Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine

Oil Shale is a fine-grained sedimentary rock from which oil is extracted

1.2 History

1.2.1 Origin

Hawaii Islands

Unknown

1.2.2 Discoverer

Unknown

1.3 Etymology

From Greek pikros bitter + -ite, 19th century

From Old English scealu in its base sense of thing that divides or separate

1.4 Class

Igneous Rocks

Sedimentary Rocks

1.4.1 Sub-Class

Durable Rock, Hard Rock

Durable Rock, Soft Rock

1.5 Family

1.5.1 Group

Volcanic

Not Applicable

1.6 Other Categories

Fine Grained Rock, Opaque Rock

2 Texture

2.1 Texture

Earthy, Rough

Splintery

2.2 Color

Black, Brown, Colourless, Green, Grey, Pink, White, Yellow

Black, Brown, Buff, Green, Grey, Red, Yellow

2.3 Maintenance

Less

2.4 Durability

Durable

2.4.1 Water Resistant

✔ ✘

2.4.2 Scratch Resistant

✔ ✘

2.4.3 Stain Resistant

✔ ✘

2.4.4 Wind Resistant

✔ ✘

2.4.5 Acid Resistant

✔ ✘

2.5 Appearance

Rough and Shiny

Muddy

3 Uses

3.1 Architecture

3.1.1 Interior Uses

Countertops, Decorative Aggregates, Homes, Interior Decoration

Not Yet Used

3.1.2 Exterior Uses

As Building Stone, As Facing Stone, Garden Decoration, Paving Stone

Not Yet Used

3.1.3 Other Architectural Uses

Curbing

Not Yet Used

3.2 Industry

3.2.1 Construction Industry

As a Sintering Agent in Steel Industry to process Iron Ore, Cement Manufacture, for Road Aggregate, Manufacture of Magnesium and Dolomite Refractories, Roadstone, Used for flooring, stair treads, borders and window sills.

Cement Manufacture, Construction Aggregate, for Road Aggregate, Serves as an Oil and Gas Reservoir rock

3.2.2 Medical Industry

Not Yet Used

3.3 Antiquity Uses

Artifacts, Monuments, Sculpture

Artifacts

3.4 Other Uses

3.4.1 Commercial Uses

As a Feed Additive for Livestock, As armour rock for sea walls, Metallurgical Flux, Pottery, Source of Magnesia (MgO)

An Oil and Gas Reservoir

4 Types

4.1 Types

Oceanite

Carbonate-rich Shale, Siliceous Shale and Cannel Shale

4.2 Features

Host Rock for Lead

Easily splits into thin plates, Generally rough to touch, Is one of the oldest rock, Very fine grained rock

4.3 Archaeological Significance

4.3.1 Monuments

Used

Not Yet Used

4.3.2 Famous Monuments

Data Not Available

Not Applicable

4.3.3 Sculpture

Used

Not Yet Used

4.3.4 Famous Sculptures

Data Not Available

Not Applicable

4.3.5 Pictographs

Not Used

4.3.6 Petroglyphs

Not Used

4.3.7 Figurines

Used

Not Yet Used

4.4 Fossils

Absent

Present

5 Formation

5.1 Formation

Picrite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.

Oil Shale forms on the beds of seas and lakes and its formation starts with the organic debris settling and accumulating at the bottom of a lake or sea which are then transformed into rock with the help of high temperature and pressure.

5.2 Composition

5.2.1 Mineral Content

Biotite, Olivine, Plagioclase, Pyrrhotite

Albite, Biotite, Calcite, Chert, Chlorite, Dolomite, Hematite, Micas, Muscovite or Illite, Pyrite, Quartz, Silica, Sulfides

5.2.2 Compound Content

Al, CaO, Carbon Dioxide, Mg, MgO

Ca, Fe, Mg, Silicon Dioxide, Sodium

5.3 Transformation

5.3.1 Metamorphism

✔ ✘

5.3.2 Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Impact Metamorphism, Regional Metamorphism

Not Applicable

5.3.3 Weathering

✔ ✘

5.3.4 Types of Weathering

Biological Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

1.0.1 Erosion

✔ ✘

1.1.1 Types of Erosion

Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion

Chemical Erosion, Sea Erosion, Water Erosion

2 Properties

2.1 Physical Properties

2.1.1 Hardness

6.82-3

1 7

6.0.1 Grain Size

Fine Grained

Very fine-grained

6.2.1 Fracture

Uneven

Not Available

6.2.4 Streak

White, Greenish White or Grey

White

6.3.2 Porosity

Less Porous

Highly Porous

6.3.4 Luster

Subvitreous to Dull

Dull

6.3.6 Compressive Strength

189.00 N/mm²NA

0.15 450

7.1.8 Cleavage

Imperfect

Slaty

7.1.9 Toughness

2.1

2.6

7.1.10 Specific Gravity

2.75-2.922.2-2.8

0 8.4

7.1.11 Transparency

Opaque

7.1.12 Density

1.5-2.5 g/cm³2.4-2.8 g/cm³

0 1400

7.2 Thermal Properties

7.2.1 Specific Heat Capacity

0.88 kJ/Kg K0.39 kJ/Kg K

0.14 3.2

7.3.2 Resistance

Heat Resistant

Heat Resistant, Impact Resistant

8 Reserves

8.1 Deposits in Eastern Continents

8.1.1 Asia

India, Russia

Bangladesh, China, India, Israel, Jordan, Russia, Syria, Thailand, Turkey

8.1.2 Africa

South Africa

Ethiopia, Kenya, Morocco, South Africa, Tanzania

8.1.3 Europe

Iceland

Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Sweden, Switzerland

8.1.4 Others

Not Yet Found

Greenland, Not Yet Found

8.2 Deposits in Western Continents

8.2.1 North America

Canada, USA

8.2.2 South America

Brazil

Bolivia, Brazil, Chile, Colombia, Ecuador, Peru, Venezuela

8.3 Deposits in Oceania Continent

8.3.1 Australia

Not Yet Found

New South Wales, New Zealand, Queensland, Victoria, Western Australia

All about Picrite and Oil shale Properties

Know all about Picrite and Oil shale properties here. All properties of rocks are important as they define the type of rock and its application. Picrite belongs to Igneous Rocks while Oil shale belongs to Sedimentary Rocks.Texture of Picrite is Earthy, Rough whereas that of Oil shale is Splintery. Picrite appears Rough and Shiny and Oil shale appears Muddy. The luster of Picrite is subvitreous to dull while that of Oil shale is dull. Picrite is available in black, brown, colourless, green, grey, pink, white, yellow colors whereas Oil shale is available in black, brown, buff, green, grey, red, yellow colors. The commercial uses of Picrite are as a feed additive for livestock, as armour rock for sea walls, metallurgical flux, pottery, source of magnesia (mgo) and that of Oil shale are an oil and gas reservoir.