XIII. Dolomite Flashcards
(10 cards)
a carbonate of calcium and magnesium, is ideally composed of 21.70% MgO, 30.40% CaO and 47.90% CO2
Dolomite
the process of transforming limestone to dolomitic limestone or dolomite
Dolomitization
Seawater in contact with calcium carbonate when heated in a sealed tube produces—
dolomite
T or F: Dolomite is effective in neutralizing acidic soils such that of Pinatubo soil and improving the physical conditions of clayey and heavy soils, besides supplying calcium, magnesium, and other mineral
food requirement of growing plants.
True
Major dolomite/dolomitic limestone deposits are situated in the province of _____, the largest being in _______ and ________ areas.
Cebu; Alcoy-Dalaguete and Fuente, Carmen
%Calcite: over 95
%Dolomite: less than 5
%MgO: 0 to 1.1
Limestone
%Calcite: 90 to 95
%Dolomite: 5 to 10
%MgO: 1.1 to 2.1
Calcitic Limestone
%Calcite: 50 to 90
%Dolomite: 10 to 50
%MgO: 2.1 to 10.8
Magnesian Limestone
%Calcite: 10 to 59
%Dolomite: 50 to 90
%MgO: 10.8 to 19.5
Dolomitic Limestone
%Calcite: less than 50
%Dolomite: over 90
%MgO: 19.5 to 21.6
Dolomite