basalt

Examples

• All

• Is it a marvellous example of columnar basalt formation?

  Tom Bilyeu

• The islands are composed predominantly of basalt and limestone, with numerous caves.

  Academic text (2018)

• And so I walk through the gardens and I walk across these basalt stones that I had built into a fireplace.

• But the basalt does not contain any quartz at all.

  The Royal Institution

• Those are saw blade cuts that are in the Black Basalt temple on the eastern floor of the Great Pyramid.

• There were also pillars of basalt, painted in squares, with a face and a cap on top.

  Academic text (1999)

• Through the windshield, she saw she was entering a rock-strewn basalt plain.

  Fiction book (1996)

• In Iceland, recently conducted trials were able to store carbon in basalt, rapidly transforming these gases into stone.

• Essentially these basalt cliffs formed from lava which settled in horizontal lava flows.

• The ancient temple was built using large blocks of basalt that have withstood the test of time.

Synonyms

V

volcanic rock

vsbasalt

• Specialized

4 3.6

A hard rock made when hot melted rock cools on or near the Earth's surface

is a darker, mineral-specific example among rocks formed from surface lava

I

igneous rock

vsbasalt

• Specialized

1 4.1

A hard, solid material that forms when hot, melted rock cools

is the dark, dense, fine-grained surface-formed variety of that rock class

A

aphanite

vsbasalt

• Specialized

9.9

A hard volcanic rock with crystals too small to see

is a dark, dense, fine-grained example with specific mineral composition

How Hard

granite

64 3.5

basalt

• Specialized

8 7.2

limestone

• Specialized

30 3.2

sandstone

• Specialized

18 3.3

chalk

291 1.0

Surface Forms

Etymology