Please be more specific, there are several answers to this.
1. Small portions could be called sediments, or pebbles.
2. What they could be made of are elements.
3. Metal material in rocks could be called resources.
There is no known singular type of particle responsible for all matter. Depending on the level you're working with, all compounds are made from atoms, all atoms are made from protons, neutrons and electrons, and those are made from quarks and gluons.
They are called grains and contribute to the texture of the rock.
The individual particles I'm rock's are called
Rocks are made of mineral crystals, pieces of rock, organic material, or combinations of all of them.
Rock particles.
They are called grains.
sediment
Grains are the particles that make up a rock and may consist of eroded particles of various sizes of other rocks or mineral crystals.
weathering
Conglomerates are among the group called clasticsedimentary rocks, those that are formed of cemented particles of other rock particles.
Grains the particles of minerals or other rocks that give a rock its texture
Sedimentary rocks.
They are called grains and contribute to the texture of the rock.
The A horizon has smaller rocks and mineral particles than any other layers.....
Grains are the particles that make up a rock and may consist of eroded particles of various sizes of other rocks or mineral crystals.
Sedimentary rocks are formed from the fragments of other rocks
weathering
Conglomerates are among the group called clasticsedimentary rocks, those that are formed of cemented particles of other rock particles.
Grains the particles of minerals or other rocks that give a rock its texture
Clastic sedimentary rock is composed of cemented particles of other rocks.
Sedimentary rocks.
The main source of glass particles is sand. It is composed of granular material composed of mineral particles and finely divided rocks.
rock formed of small rocks that are cemented together by dissolved mineral material?
Sedimentary.