Ring Mountain (California) - AbsoluteAstronomy.com

Ring Mountain is an elevated landform on the Tiburon Peninsula

Tiburon Peninsula

The Tiburon Peninsula , or simply "the Tiburon", is a region of Haiti encompassing all of Haiti's southern coast. It starts roughly at the southernmost of the Haiti-Dominican Republic border and extends westward near Cuba, forming a large headland. Four of Haiti's ten departments are located...

in Marin County

Marin County, California

Marin County is a county located in the North San Francisco Bay Area of the U.S. state of California, across the Golden Gate Bridge from San Francisco. As of 2010, the population was 252,409. The county seat is San Rafael and the largest employer is the county government. Marin County is well...

, California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

. This mountain was named for George E. Ring, who served as a Marin County Supervisor from 1895 to 1903.

A number of rare

Rare species

A rare species is a group of organisms that are very uncommon or scarce. This designation may be applied to either a plant or animal taxon, and may be distinct from the term "endangered" or "threatened species" but not "extinct"....

and endangered flora

Flora

Flora is the plant life occurring in a particular region or time, generally the naturally occurring or indigenous—native plant life. The corresponding term for animals is fauna.-Etymology:...

inhabit Ring Mountain. The landscape is strewn with many sizable boulders which exhibit a variety of lithologies

Lithology

The lithology of a rock unit is a description of its physical characteristics visible at outcrop, in hand or core samples or with low magnification microscopy, such as colour, texture, grain size, or composition. It may be either a detailed description of these characteristics or be a summary of...

including high-pressure metamorphic rock

Metamorphic rock

Metamorphic rock is the transformation of an existing rock type, the protolith, in a process called metamorphism, which means "change in form". The protolith is subjected to heat and pressure causing profound physical and/or chemical change...

s of amphibolite

Amphibolite

Amphibolite is the name given to a rock consisting mainly of hornblende amphibole, the use of the term being restricted, however, to metamorphic rocks. The modern terminology for a holocrystalline plutonic igneous rocks composed primarily of hornblende amphibole is a hornblendite, which are...

and eclogite

Eclogite

Eclogite is a mafic metamorphic rock. Eclogite is of special interest for at least two reasons. First, it forms at pressures greater than those typical of the crust of the Earth...

grade.

Native American Pecked curvilinear nucleated

Pecked curvilinear nucleated

Pecked curvilinear nucleated, in archaeology, is a form of prehistoric rock carving. The term was originally proposed by Teresa Miller and Reed Haslam in 1976 to describe a widespread type of rock carving in western North America. The form is characterized by a circular or oval groove element,...

Petroglyph

Petroglyphs are pictogram and logogram images created by removing part of a rock surface by incising, picking, carving, and abrading. Outside North America, scholars often use terms such as "carving", "engraving", or other descriptions of the technique to refer to such images...

s are here also, of the Coast Miwok

Coast Miwok

The Coast Miwok were the second largest group of Miwok Native American people. The Coast Miwok inhabited the general area of modern Marin County and southern Sonoma County in Northern California, from the Golden Gate north to Duncans Point and eastward to Sonoma Creek...

people.

See also