Glossary entry

Greek term or phrase:

οφείτες / οφίτες

English translation:

serpentine / ophiolites / hydrated magnesium silicate

Added to glossary by Valentini Mellas
Mar 5, 2007 08:01
17 yrs ago
Greek term

οφείτες

Greek to English Science Geology
Γεωλογικά ανήκει στο κρυσταλλοπαγές συγκρότημα της Ροδόπης και τα πετρώματά του είναι αργιλικοί σχιστόλιθοι, ***οφείτες***, γρανίτες και βέβαια ασβεστόλιθοι.

Proposed translations

+1
36 mins
Greek term (edited): οφείτες / οφίτες
Selected

serpentine

Γνωστός και ως σερπαντίτης. Παραθέτω από http://www.answers.com/topic/serpentine
1. Από το τμήμα που δίνει τις μεταφράσεις λέξεων:
Ελληνική (Greek)
adj. - οφιοειδής, ελικοειδής, ύπουλος, προδοτικός
n. - (ορυκτολ.) οφίτης, σερπεντίνης, φιγούρα του πατινάζ
v. - κινούμαι ελικοειδώς

Από το τμήμα των ορισμών:

serpentine

Any of a group of magnesium-rich silicate minerals whose composition resembles Mg3Si2O5(OH)4. Serpentine generally occurs in three forms: as chrysotile, the most common variety of asbestos; and as antigorite or lizardite, both of which are commonly massive and fine-grained. Named in allusion to its resemblance to a snake's skin, serpentine is usually grayish, white, or green but may be yellow or green-blue. It takes a high polish and is sometimes used as an ornamental stone.
Peer comment(s):

agree Vicky Papaprodromou
6 hrs
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4 KudoZ points awarded for this answer. Comment: "Δύσκολη απόφαση! Επειδή, όμως, το κείμενό μου είναι τουριστικό, θα επιλέξω τη δική σου απάντηση σε συνδυασμό με την προσθήκη της Νεκταρίας σε παρένθεση. Σας ευχαριστώ όλους και όλες για τον κόπο σας. Καλή βδομάδα :-)"
31 mins

ophitic rocks (Ophitics)

Note from asker:
Ευχαριστώ, Σωκράτη, για το χρόνο που αφιέρωσες να μου απαντήσεις. Καλή βδομάδα :-)
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33 mins

ophites

I'm not an expert on the subject, but it seems appropriate...

http://www.answers.com/topic/ophite
Note from asker:
Ευχαριστώ, Ιωάννα, για το χρόνο που αφιέρωσες να μου απαντήσεις. Καλή βδομάδα :-)
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+1
34 mins

hydrated magnesium silicate (οφίτες)

www.nature.com/nature/journal/v171/n4347/abs/171354a0.html

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Note added at 40 mins (2007-03-05 08:41:48 GMT)
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επίσης και ophiolites: http://en.wikipedia.org/wiki/Ophiolite

http://www.answers.com/topic/serpentine
serpentine (sûr'pəntēn, –tīn) , hydrous silicate of magnesium. It occurs in crystalline form only as a pseudomorph having the form of some other mineral and is generally found in the form of chrysotile (silky fibers) and antigorite and lizardite (which are both tabular). Chrysotile is also known as commercial asbestos which has been used for fireproofing and insulating material. It is commonly some shade of green, but may also be reddish, yellowish, black, or nearly white. It has a greasy or silky luster and is often translucent, even in large masses. Serpentine can be found in igneous rock, but it is more often a secondary mineral, usually resulting from the alteration of minerals or rocks containing magnesium, and it occurs very widely throughout the world, mainly as a product of metamorphism in rocks rich in olivine, pyroxene and amphibole. Serpentine rocks and basalts in the central zone of the Appalachian Mts of the eastern United States represent sutures of old oceanic crust, known as ophiolites, crushed between colliding continents. Essentially all lower crust and upper mantle rocks recovered from the mid-ocean ridges have been serpentinized to some degree by reaction with seawater. Serpentine rocks are classified as common serpentine and precious serpentine, the common serpentine being darker, less translucent, and sometimes impure. Serpentine is sometimes used as a gem and the massive varieties are quarried. Used like marble for decorative purposes, when serpentine is mixed with calcite, dolomite, or magnesite, a mottled or veined rock called verd antique is produced, although the masses are frequently jointed and only small slabs can be secured. Serpentine takes a beautiful high polish, but it is easily cracked and discolored by exposure to the weather and is consequently of little value for exterior use. Serpentine deposits are found in Canada, S Africa, and Vermont and Arizona in the United States.
Note from asker:
Ευχαριστώ, Νεκταρία, για τον κόπο σου. Δυστυχώς, και μετά λύπης μου, βαθμούς μπορώ να δώσω σε μία απάντηση μόνο
Peer comment(s):

agree Vicky Papaprodromou
6 hrs
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