Rock ID

Front

What is Coquina?

Back

Coquina is a type of sedimentary rock composed primarily of shell fragments and coral, often found in coastal areas.

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What is Slate?

Back

Slate is a metamorphic rock that originates from shale and is characterized by its fine-grained texture and ability to split into thin sheets.

Front

What is Obsidian?

Back

Obsidian is a naturally occurring volcanic glass formed from rapidly cooled lava, known for its smooth texture and sharp edges.

Front

What is the texture of a coarse igneous rock?

Back

A coarse texture in igneous rocks indicates that the rock has large crystals, which form when magma cools slowly beneath the Earth's surface.

Front

What is Limestone?

Back

Limestone is a sedimentary rock primarily composed of calcium carbonate, often formed from the accumulation of marine organisms.

Front

What is Conglomerate?

Back

Conglomerate is a sedimentary rock made up of rounded gravel-sized particles cemented together, often found in riverbeds.

Front

What is Breccia?

Back

Breccia is a sedimentary rock similar to conglomerate but composed of angular fragments, indicating a more recent formation.

Front

What is Shale?

Back

Shale is a fine-grained sedimentary rock formed from compacted mud and clay, often containing fossils.

Front

What is Pumice?

Back

Pumice is a light, porous volcanic rock formed when lava cools quickly and traps gas bubbles, making it float on water.

Front

What is Basalt?

Back

Basalt is a dark, fine-grained igneous rock formed from the rapid cooling of lava at the Earth's surface.