| The centre of the room is now occupied by the quartzite sarcophagus containing the outermost coffin. |
| Studies and a large hall were trimmed with multicolored marble, and there were marble statues on massive quartzite bases in niches. |
| Among its slate and quartzite houses stands the church of Santiago, a Mozarab temple from the 10th century. |
| It includes a variety of rocks, such as basalt, granite, gneiss, quartzite, slate, and schist. |
| They contain some quartzite and quartz clasts and only a little debris derived from local Jurassic rocks. |
| In addition to the volcanogenic sedimentary rocks, there are lenses of limestone, quartzite, shale and sandstone. |
