Rocks

We have studied 4 groups of rocks

Igneous means fire

Marble is made from limestone

Limestone is found in all counties in Ireland

Quartzite is a metamorphic rock

Sandstone is found in the mountains in Cork & Kerry

Granite is made up of small crystals

Cork marble is white

Quartzite is found on the top of Croagh Patrick

Mount Errigal is another location for Quartzite

Heat & pressure create new rocks

Heat & pressure create new rocks

Connemara marble is green

Limestone is made from dead sea creatures

Basalt is made up of strata

Basalt is made up of strata

Igneous rocks are found near plate boundaries

Sandstone is glued together by calcium

The Giant's Causeway is made up of polygonal columns

Basalt contracted when it hit water in Antrim

Basalt contracted when it hit water in Antrim

Compacted means to squash

Cementation means to glue

The main rock in the Burren, Co. Clare is Sandstone

Basalt is used for cement

Granite contains the mineral mica

Granite contains the mineral mica

Calcium carbonate is the name of the substance in marble

Sandstone can be used for paving in the garden

Extrusive means below the surface

Basalt is an extrusive rock

Fossils are imprints left in limestone from dead sea creatures

Pure limestone is white

Granite can come in many colours

Crystals in rocks take a short time to form

Limestone is permeable

Acid rain turns Calcium bi-carbonate into Calcium carbonate

Geology is the study of rocks

Sandstone is black in colour

The main rock found at Mt. Etna is Basalt

Silica glues sandstone together

Quartzite is used as a soil conditioner

Marble is a crystalline rock

Marble that comes from Kilkenny is amber in colour

Marble was once quartzite

Joints in limestone are horizontal cracks

Limestone is easily weathered

chalk is made from sandstone

The Wicklow Mountains are mostly made up of granite rock