What's the difference between greenstone and serpentine?

Greenstone


Definition:

  • (n.) A name formerly applied rather loosely to certain dark-colored igneous rocks, including diorite, diabase, etc.

Example Sentences:

  • (1) The root surfaces apical to the overhangs were photographed under the scanning electron microscope at a magnification of x 140 and compared by five dentists, in a single-blind manner, with two control photomicrographs of surfaces classified as rough (treated with a coarse diamond bur) or not rough (treated with a greenstone).
  • (2) Yet according to Michael Greenstone, an economics professor at MIT and one of the study's authors, this study is the first to precisely quantify their relationship.
  • (3) Take a seaplane to Rock Harbor or Windigo and follow the Greenstone Ridge Trail, a 40-mile hike along the spine of the island, which takes four or five days.
  • (4) The North Island is Te Ika A Maui, "the fish of Maui" (recounting the mythic tale of New Zealand's creation) where the South is Te Wai Pounamu, "the waters of greenstone" (describing the glassy stone, prized by Maori, that is found in the swift rivers and along the savage misted beaches of the lonely south).
  • (5) Contact +1 305 242 7700 for a permit application Jeremy Cuff, underwater photographer and contributor to Sport Diver magazine Greenstone Ridge Trail, Isle Royale NP , Michigan Isle Royale is a roadless archipelago in Lake Superior on the Canadian border.

Serpentine


Definition:

  • (a.) Resembling a serpent; having the shape or qualities of a serpent; subtle; winding or turning one way and the other, like a moving serpent; anfractuous; meandering; sinuous; zigzag; as, serpentine braid.
  • (n.) A mineral or rock consisting chiefly of the hydrous silicate of magnesia. It is usually of an obscure green color, often with a spotted or mottled appearance resembling a serpent's skin. Precious, or noble, serpentine is translucent and of a rich oil-green color.
  • (n.) A kind of ancient cannon.
  • (v. i.) To serpentize.

Example Sentences:

  • (1) Non-occupational exposure of the population living in the vicinity of the serpentine mining and processing mill in Nasławice was assessed.
  • (2) In October 2013, for a group exhibition at London’s Serpentine Gallery , they published a report called Youth Mode: A Report on Freedom , one chapter of which was entitled “Normcore”.
  • (3) The rock consists essentially of the fibrous serpentine mineral chrysotile (asbestos) and platy serpentines.
  • (4) The Serpentine's Poetry Marathon talks last year gave us 47 men and 18 women, as did its Manifesto Marathon the previous year.
  • (5) A few details of their plans have been revealed including the indication of it being the Serpentine's lowest pavilion ever, with the roof barely 1.5 metres (5ft) off the ground.
  • (6) Serpentine vessels were well seen as flow voids against high signal cyst or tumor on T2-weighted images, but contrast-enhanced CT also demonstrated them.
  • (7) A Swiss, Hans-Ulrich Obrist, is the co-director of the Serpentine Gallery.
  • (8) We present a case of cerebral giant serpentine aneurysm (GSA) and propose a definition of GSA.
  • (9) This giant serpentine aneurysm is a rather rare disease.
  • (10) In 10 years, only one solo woman architect, Zaha Hadid, has sketched the Serpentine's garden tent.
  • (11) Multiple extremely low-intensity serpentine "flow void" signs, indicating afferent and efferent vessels, were observed within or around the tumor.
  • (12) But later came work as diverse as The Maybe (1995) featuring the actor Tilda Swinton lying in a glass vitrine in the Serpentine Gallery, in London; a melted silver dollar drawn into wire so thin it was as long as the Empire State Building is tall; the wrapping of Rodin's The Kiss in a mile of string; and a 40-minute video of Parker interviewing Noam Chomsky.
  • (13) Angiograms in each case revealed a distinctive serpentine vascular channel surrounded by an avascular area causing a "mass effect."
  • (14) Environmental factors: The drinking-water pool in northern California is contaminated with asbestos of the serpentine type, which is associated with mesothelioma of the peritoneum and carcinoma of the lung, gallbladder, and pancreas.
  • (15) A simple and effective method of temporary tarsorrhaphy, which is referred to as intermarginal serpentine temporary tarsorrhaphy, is presented.
  • (16) Two cases of serpentine supravenous hyperpigmentation developing in the area of fotemustine infusions are reported.
  • (17) In some macaque species, transcervical aspiration of the uterine contents carries a significant risk of disturbing the cervical milieu due to the serpentine nature of the cervix.
  • (18) Overseas, he designed the United Nations secretariat in New York, the Communist party headquarters in Paris and Serpentine gallery summer pavilion in Hyde Park, London.
  • (19) Turn another, and you gaze on the royal park with the glories of the Serpentine.
  • (20) That led to a commission from the Serpentine Gallery, and performances in Paris and Moscow.