Medium-grained typically refers to the intermediate size of particles or crystals in a material. It falls between fine-grained (small particles) and coarse-grained (large particles). Materials with a medium grain size might exhibit a balance between strength and ductility.
The general term for fine-grained material in which plants can grow is "soil." Soil consists of a mixture of organic matter, minerals, gases, liquids, and microorganisms that support plant life. It provides essential nutrients, water, and a medium for root development, making it crucial for agriculture and ecosystems. Different types of soil, such as clay, silt, and sandy soil, have varying properties that affect plant growth.
Slate
Slate
The rock described is likely to be shale, which is a sedimentary rock composed of clay minerals. Shale is typically white to gray in color, medium soft in texture, and fine-grained.
Sandstone is an example of a medium-grained clastic sedimentary rock. It is composed of sand-sized particles that are typically visible to the naked eye, giving it a medium-grained texture. Sandstone forms from the accumulation and cementation of sand grains.
Silt is the medium-sized soil particle that feels silky. It is a fine-grained soil that has a powdery and smooth texture when dry, and slippery and smooth texture when wet.
Sandstone is an example of a medium-grained clastic sedimentary rock. It is formed from the accumulation and cementation of sand-sized grains (0.06–2mm) of mineral, rock, and organic particles.
I'm not too sure
Coarse
In fine grained soil very fine particle are there which has got some chemical repulsion, these chemical repulsion does not allow particle to come closer due to which void ratio of fine grained soil is higher than coarse grained soil.
Medium-grained typically refers to the intermediate size of particles or crystals in a material. It falls between fine-grained (small particles) and coarse-grained (large particles). Materials with a medium grain size might exhibit a balance between strength and ductility.
Silt is a fine-grained fertile soil deposited by water.
sandstone
The list that orders rocks in increasing grain size and increasing grade of metamorphism is: shale (fine-grained) - slate (fine-grained) - phyllite (medium-grained) - schist (medium to coarse-grained) - gneiss (coarse-grained).
The general term for fine-grained material in which plants can grow is "soil." Soil consists of a mixture of organic matter, minerals, gases, liquids, and microorganisms that support plant life. It provides essential nutrients, water, and a medium for root development, making it crucial for agriculture and ecosystems. Different types of soil, such as clay, silt, and sandy soil, have varying properties that affect plant growth.
Phyllite is an example of a fine-grained foliated metamorphic rock