In the centre of a pumice-covered plateau from loon to 2000 ft. In 1886 there was a serious volcanic eruption in the outlying island of Nivafoou, and at the same time Falcon Reef, normally awash at high water, discharged sufficient scoriae and pumice to form a new island 50 ft.
The superior facet, also called the superior articular process, is a pair of facet joints between pairs of vertebrae. A facet joint is what holds two vertebrae together and each vertebra contains two pairs, an upper-facing superior facet pair and a lower-facing inferior facet pair.
Facet Arthroplasty. Facet arthropathy commonly means arthritis of the facet joints. The human body has 24 vertebrae that make up the spine. Facet joints are found in the posterior of the spine. There are two facet joints between the vertebrae of each spinal segment along the spinal column.acet Arthroplasty. Facet arthropathy commonly means arthritis of the facet joints. The human body has 24 vertebrae that make up the spine. Facet joints are found in the posterior of the spine. There are two facet joints between the vertebrae of each spinal segment along the spinal column.