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Kansas Rocks and Minerals

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Contents

Introduction

Geologic History of Kansas

Kansas Rocks

Sedimentary rocks

Limestone and dolomite

Limestone

Limestones consisting mainly of animal shells

Limestones formed partly by chemical processes

Dolomite

Clay

Shale

Silt and siltstone

Sands and sandstone

Gravel and conglomerate

Boulder clay

Evaporites

Quartzite

Asphalt rock

Jasperoid

Igneous rocks

Granite

Peridotite

Volcanic ash

Basalt

Meteorites

Mineral fuels

Coal and lignite

Petroleum and natural gas

Oil shale

Minerals

Native elements

Sulfur

Sulfides

Galena

Sphalerite

Chalcopyrite

Greenockite

Pyrite

Marcasite

Oxides

Hematite

Ilmenite

Pyrolusite and psilomelane

Magnetite

Limonite

Halides

Halite

Carbonates

Calcite

Siderite

Smithsonite

Dolomite

Aragonite

Cerussite

Malachite

Sulfates

Barite

Celestite

Anhydrite

Gypsum

Goslarite

Silicates

Garnet

Hemimorphite

Mica

Quartz

Opal

Feldspar

Sedimentary Structures

Concretions

Geodes

Cone-in-cone

Mud cracks and rain prints

Casts of salt crystals

Ripple marks

References

Tables for Identification of Kansas Minerals


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Kansas Geological Survey
Placed on web Feb. 28, 2017; originally revised and reprinted 1998.
Comments to webadmin@kgs.ku.edu
The URL for this page is http://www.kgs.ku.edu/Publications/Bulletins/ED2/01_contents.html