Dolomite

Réussis tes devoirs et examens dès maintenant avec Quizwiz!

less than 50%; over 90%; 19.5 to 21.6%

Dolomite contains ______ Calcite, _______ Dolomite, _______ MgO

contact

Dolomite is a major component of some ________ metamorphic rocks and marbles

hypersaline

Dolomite is a primary phase in ____________ sedimentary environments

calcite; magnesium

Dolomite is formed by the replacement of the _______ ions by the _______ ions

325-1250

Dolomite is ground/milled into _________ mesh to produce dolomite powder. The powder will be classified

dolostone

Dolomite is the primary component of the sedimentary rock ___________

gangue

Dolomite occurs as a __________ in hydrothermal veins

ultramafic

Dolomites also occur in carbonatites and ________ rocks.

Primary Dolomites

Dolomites and dolostones that originate via replacement of CaCO3

diagenesis or hydrothermal metasomatism of limestone

Dolomites are formed by:

Replacement dolomites or Secondary dolomites

Direct precipitation from aqueous solution to form sedimentary deposits

Dolomite Cementation

The precipitation of dolomite from aqueous solution as a cement in primary or secondary pore spaces

dolomitic marble

The primary component of the metamorphic rock (Dolomite)

1. time 2. composition 3. derivation of the solutions involved 4. fluxing mechanisms

four major variables needed, to complete the dolomitization process:

Dolomitic Limestone

10%-59% Calcite; 50% to 90% Dolomite

Magnesian Limestone

50%-90% Calcite; 10% to 50% Dolomite

Calcitic Limestone

90%-95% Calcite; 5%-10% Dolomite

marine

In Visayas Region, especially in parts of Cebu, Bohol, and Western Leyte, are considered to be ________ sedimentary basins

MEXICO

In what country is that the Ordovician Upham dolomite and the Silurian Fusselman dolomite are high-purity beds in most of the area

Alcoy & Dalaguete Areas

Main deposits of Dolomite in Cebu Province

Cebu

One of the few provinces in the country where economically mineable deposits of dolomite can be found

Limestone

Over 95% Calcite; Less than 5% Dolomite

35,700,000 MT

Philippine Mining Services Corporation (Pungalo, Alcoy) estimated reserve

1. Crushing and Screening Dolomite Rock 2. Grinding and Classifying Dolomite Rock 3. Calcinating Dolomite Rock

Steps in Processing Dolomite

1. Preheating 2. Calcinating 3. Cooling 4. Mixing and Grinding 5. Briquetting 6. Refining Magnesium 7. Production of Magnesium Alloy

Steps in Processing Magnesium Alloys

rotary kiln

The crushed dolomite is calcined in a ________, which is used for producing refractory materials, magnesium alloys, cement, etc

1. auxiliary material for iron and steel. 2. Sintering agent and flux in metal processing 3. Ingredient in the production of glass, bricks and ceramics 4. Utilized as fertilizer and soil conditioner, and feed additives for livestock, among others

USES of dolomite

Dolomite

a carbonate of calcium and magnesium, is ideally composed of 21.70 percent magnesia, 30.40 percent lime and 47.90 percent carbon dioxide.

dolomitic limestone

a limestone that contains dolomite

CaMg(CO3)2

chemical composition of dolomite

Canada

country where the deposits of dolomite were also found in precambrian marbles, calcite veins and carbonatite


Ensembles d'études connexes

The geography of cold wars: what was containment?

View Set

CoursePoint+ Foundations of Nursing Ch. 3: Health, Illness, and Disparities

View Set

Intro to Climate Studies 2021-2022 (ENSC 220) Investigation 5A

View Set

Human Resource Management Midterm

View Set

BLAW Chapter 12- Business Organizations

View Set

Chapter 65 Assessment of Neurologic Function

View Set

Aceable real estate Level 4 Chapter 1 private land controls

View Set

CHAPTER 3: Introduction to Taxation

View Set