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The Hawthorn Group (also Hawthorne Group, previously called Hawthorn(e) Formation) [a] is a stratigraphic unit of Miocene age in South Carolina, Georgia, and Florida, in the United States. It is known for its phosphate rock resources, and for its rich assemblages of Neogene vertebrate fossils .
In 1986, California named benitoite as its state gemstone, a form of the mineral barium titanium silicate that is unique to the Golden State and only found in gem quality in San Benito County. [ 80 ] ^ Colorado is the only state whose geological symbols reflect the national flag's colors: red (rhodochrosite), white (yule marble), and blue ...
The pericycle is a cylinder of parenchyma or sclerenchyma cells that lies just inside the endodermis and is the outer most part of the stele of plants. [ citation needed ] Although it is composed of non-vascular parenchyma cells, it's still considered part of the vascular cylinder because it arises from the procambium as do the vascular tissues ...
It extends from Virginia through North Carolina (where it is the state soil), South Carolina, Georgia and Alabama, with the typic Cecil pedon [1] actually located in Franklin County, NC. The Cecil series developed over igneous rock such as granite , and metamorphic rock which is chemically similar to granite.
During the Late Cretaceous, the flora of South Carolina included trees like eucalyptuses, laurel, magnolias, oak, sequoia, walnut, and willows. [4] Similar fossil trees have been found in Alabama, New Jersey, and Maryland. [2] Late Cretaceous dinosaur fossils have been found at several Donoho Creek Formation sites in northeastern South Carolina ...
The Ridgeway mine was a gold and silver open-pit mine near Ridgeway, South Carolina. In its eleven years of operation between 1988 and 1999, it produced 1,500,000 ounces of gold and 900,000 ounces of silver. [1] The mine's two ore bodies are part of the gold-rich [3] Carolina Slate Belt rock package that runs through the upstate Piedmont foothills.
The proportion of silica in rocks and minerals is a major factor in determining their names and properties. [7] Rock outcrop along a mountain creek near Orosí, Costa Rica. Rocks are classified according to characteristics such as mineral and chemical composition, permeability, texture of the constituent particles, and particle size.
Saprolite (from Greek σαπρος = putrid + λιθος = rock) is a chemically weathered rock (literally, it means "rotten rock"). More intense weathering results in a continuous transition from saprolite to laterite. Saprolites form in the lower zones of soil horizons [1] and represent deep weathering of the bedrock surface. [2]