Definition
Limestone is a sedimentary rock composed mostly of calcite and aragonite, which are different crystal forms of calcium carbonate
Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite
History
Origin
New Zealand
Romania and Moldova, Europe
Discoverer
Belsazar Hacquet
Unknown
Etymology
From lime and stone in late 14th Century
From Dacia, a province of the Roman Empire which lay between the Danube River and Carpathian Mountains where the rock was first described
Class
Sedimentary Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
Family
Group
-
Volcanic
Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Medium Grained Rock, Opaque Rock