ROCKS CROSSWORD

a dark, fine-grained, brown or greyish intermediate volcanic rock which is a common constituent of lavas in some areas
a dark fine-grained volcanic rock that sometimes displays a columnar structure
Another word for ‘high temperature’.
: A very light and permeable volcanic rock formed when a gas-rich froth of glassy lava solidifies rapidly.
A hard sedimentary rock, composed mainly of calcium carbonate or dolomite.
Become or make less hot.
Relating to sediment, one of the rock types we are studying this term.
Relating to sediment, one of the rock types we are studying this term.
the solid mineral material forming part of the surface of the earth and other similar planets, exposed on the surface or underlying the soil
To wear away or change the appearance or texture of something by long exposure to the atmosphere.
A continuous physical force applied on or against an object.
that is polished but not facated
a precious stone of clear form
an essential or characteristic part of something abstract
is a mineral that comes in many colours, including purple, colourless, red, pink, yellow, green, blue, black, and multi-coloured stones.
When molten rock cools, igneous rock is formed. Intrusive rocks are igneous rocks that have formed (and cooled slowly) beneath the surface of the Earth
Jasper is a common, opaque, semi-precious stone that is found in many colours, including white, brown, yellow, red, and green.
are smooth, rounded pebbles found in rivers and on beaches.