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Acer rubrum, the red maple, also known as swamp maple, water maple, or soft maple, is one of the most common and widespread deciduous trees of eastern and central North America. The U.S. Forest Service recognizes it as the most abundant native tree in eastern North America. [ 4 ]
A larvikite quarry in Larvik, Norway, 2008 Polished larvikite (marketed as "Blue Pearl Granite"), showing labradorescence, is a popular decorative stone. Light larvikite with a polished surface Larvikite is an igneous rock , specifically a variety of monzonite , [ 1 ] notable for the presence of thumbnail-sized crystals of feldspar .
The darker blue color resulted in limestone from this region being dubbed "bluestone" and with two sequences measuring about 10,000 feet (3,000 m) thick, it gives the area one of the largest limestone deposits in the world. [20] The stone eventually fades from a deep blue to a light grey after prolonged exposure to sun and rain.
Acer floridanum (southern sugar maple) [12] When competing for sunlight, the tree is most often confined to the understory. It is limited mostly to the coastal plains and the Piedmont. POWO lists this as a subspecies of Acer saccharum. Uses: timber; landscaping, palatable food, pulpwood, veneers. [4] [13] IL VA and the Southeast
[2] [3] The stone becomes shiny black on polishing and is considered to be an easily worked and versatile dimension stone. It has also been used widely in sculpture and architecture, especially in Brussels and other Belgian cities. [1] Petit Granit has been designated by the International Union of Geological Sciences as a Global Heritage Stone ...
The maples belong to the genus Acer, an important group of mainly deciduous trees and shrubs in the family Sapindaceae, which are widely cultivated throughout the temperate northern hemisphere. Some, such as Acer griseum , have ornamental bark; but most are valued in cultivation for their brilliant autumn foliage in shades of yellow, orange and ...
Acer nigrum Michaux f. [1]: 189 Black Maple: Dade County, Georgia and Walker County, Georgia: Least Concern: Aceraceae: Acer pensylvanicum L. [1]: 189–190 Striped Maple: Higher elevations of the Blue Ridge Mountains: Least Concern: Aceraceae: Acer rubrum L. [1]: 190–191 Red Maple: Common state-wide Least Concern: Aceraceae: Acer saccharinum ...
Granite is a hard stone and requires skill to carve by hand. Until the early 18th century, in the Western world, granite could be carved only by hand tools with generally poor results. A key breakthrough was the invention of steam-powered cutting and dressing tools by Alexander MacDonald of Aberdeen , inspired by seeing ancient Egyptian granite ...