Chalk: Mineral information, data and localities.
Chalk - Wikipedia
Chalk – Geology is the Way
Chalk, Cretaceous, Devon (rock sample) – Earthlines
Chalk | Properties, Composition, Formation and Uses
Chalk: Mineral information, data and localities.
Chalk | Sedimentary, Limestone, Calcium Carbonate | Britannica
Chalk: A biological limestone formed from shell debris
Limestone | Characteristics, Formation, Texture, Uses, & Facts | Britannica
DISCOVERING FOSSILS | What is chalk and how does it form?
Properties of Chalk | Physical | Thermal
Chalk is a soft, white, porous sedimentary rock, a form of #limestone composed of the mineral calcite. #Calcite is calcium ca… | Limestone rock, Chalk, Sedimentary
Geological Society - Chalk cliffs, Sussex
Chalk Rock Type, Composition, Formation, Occurrence & Uses
Chalk: A biological limestone formed from shell debris
Single Specimen of Micritic Limestone
Geology Rocks - Sedimentary Rocks - Fun Kids - the UK's children's radio station
Chalk | Properties, Composition, Formation and Uses
Rock Types
Chalk | Geology 1501 | ECU
BROOKLYN COLLEGE -EARTH AND ENVIRONMENTAL SCIENCES - ROCKS
Chalk: A biological limestone formed from shell debris
Classification of sedimentary rocks - The Australian Museum
