The blood pressure decreases and complaints, such as fatigue and lassitude, make themselves felt. These symptoms may also occur after the meal because the blood gathers in the area of the digestive organs and is missing in the brain. Dizziness.
Non-foliated metamorphic rocks such as hornfels, marble, quartzite, and novaculite do not have a layered or banded appearance. Pictures and brief descriptions of some common types of metamorphic rocks are shown on this page. Hornfels is a fine-grained nonfoliated metamorphic rock with no specific composition.
Examples of Metamorphic Rock: 1. Quartzite. Quartzite is formed when grains of quartz sand melt together under high heat and extreme pressure. While most quartzite is white or gray, if the sand contained iron oxides, then the quartzite formed can be a nice shade of soft pink or rose.