Lêer:Hematitic sylvitite (Cardona Saline Formation, Upper Eocene; Cardona Diapir, Cardona, Catalonia, Spain) 1 (29236933884).jpg
![Lêer:Hematitic sylvitite (Cardona Saline Formation, Upper Eocene; Cardona Diapir, Cardona, Catalonia, Spain) 1 (29236933884).jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/8/86/Hematitic_sylvitite_%28Cardona_Saline_Formation%2C_Upper_Eocene%3B_Cardona_Diapir%2C_Cardona%2C_Catalonia%2C_Spain%29_1_%2829236933884%29.jpg/633px-Hematitic_sylvitite_%28Cardona_Saline_Formation%2C_Upper_Eocene%3B_Cardona_Diapir%2C_Cardona%2C_Catalonia%2C_Spain%29_1_%2829236933884%29.jpg)
Oorspronklike lêer (1 864 × 1 766 piksels, lêergrootte: 2,57 MG, MIME-tipe: image/jpeg)
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Opsomming
BeskrywingHematitic sylvitite (Cardona Saline Formation, Upper Eocene; Cardona Diapir, Cardona, Catalonia, Spain) 1 (29236933884).jpg |
Hematitic sylvitite from the Eocene of Spain. (3.35 cm across at its widest) The attractive rock shown above is sylvitite, a scarce evaporite. Evaporites are crystalline-textured, chemical sedimentary rocks that form by the evaporation of water (usually seawater) and the precipitation of dissolved minerals. The most common evaporites are rock salt (halitite), which is composed of the mineral halite (NaCl - sodium chloride), and rock gypsum (gyprock), which is composed of the mineral gypsum (CaSO4·H2O - hydrous calcium sulfate). Scarce evaporites include rock anhydrite and sylvitite, which is shown here. Sylvitite is composed of the mineral sylvite, which is KCl - potassium chloride. Halite has a salty taste, but sylvite (and sylvitite) have a strongly bitter salty taste. The reddish coloration of this sample is due to abundant hematite inclusions (hematite is Fe2O3 - iron oxide). This sylvitite is part of an evaporite succession in northeastern Spain called the Cardona Saline Formation (Upper Eocene). This unit has rock anhydrite and rock salt (halitite) and sylvitite. The latter two lithologies do not compact when deeply buried - they famously "bloop" upward as diapirs, or salt domes. Salt domes are moderately common in the Gulf of Mexico. They are also known in northeastern Spain. This rock comes from the Cardona Diapir. Diapirism occurred in the Early Oligocene, during Pyrenean orogenesis and regional deformation. The Pyrenees Mountains are a collision zone mountain belt between Spain and France. Stratigraphy: Upper Evaporitic Member, Cardona Saline Formation, Priabonian Stage, upper Upper Eocene Locality: unrecorded site in the Cardona Diapir (Cardona Salt Diapir) - likely from a subsurface mine, Salt Mountain, southeastern side of the town of Cardona, Barcelona Province, Catalonia, far-northeastern Spain |
Datum | |
Bron | Hematitic sylvitite (Cardona Saline Formation, Upper Eocene; Cardona Diapir, Cardona, Catalonia, Spain) 1 |
Outeur | James St. John |
Lisensiëring
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/29236933884. It was reviewed on 23 November 2016 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
23 November 2016
Captions
Items portrayed in this file
uitbeelding
some value
captured with Engels
Canon PowerShot D10 Engels
22 September 2016
exposure time Engels
0.01666666666666666666 sekonde
f-number Engels
9
focal length Engels
8,295 millimeter
ISO speed Engels
80
Flickr photo ID Engels
data size Engels
2 689 839 greep
height Engels
1 766 pieksel
width Engels
1 864 pieksel
media type Engels
image/jpeg
checksum Engels
3720807eee8c4a38177b7533ee23576b0f348cca
Lêergeskiedenis
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Datum/Tyd | Duimnael | Dimensies | Gebruiker | Opmerking | |
---|---|---|---|---|---|
huidig | 04:23, 23 November 2016 | ![]() | 1 864 × 1 766 (2,57 MG) | Tillman | Transferred from Flickr via Flickr2Commons |
Lêergebruik
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Metadata
Die lêer bevat aanvullende inligting wat moontlik deur 'n digitale kamera of skandeerder bygevoeg is.
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Kameravervaardiger: | Canon |
---|---|
Kameramodel | Canon PowerShot D10 |
Beligtingstyd | 1/60 sek (0,016666666666667) |
F-getal | f/9 |
ISO/ASA-waarde | 80 |
Gegewens opgestel op | 18:03, 22 September 2016 |
Brandpuntsafstand | 8,295 mm |
Oriëntasie | Normaal |
Horisontale resolusie | 180 dpi |
Vertikale resolusie | 180 dpi |
Sagteware gebruik | Adobe Photoshop CS2 Macintosh |
Tydstip laaste lêerwysiging | 20:10, 22 September 2016 |
Y- en C-posisionering | Val saam |
Exif-weergawe | 2.21 |
Datum en tyd van digitalisering | 18:03, 22 September 2016 |
Betekenis van elke komponent |
|
Beeldkompressiemetode | 3 |
Sluitersnelheid in APEX | 5,90625 |
Diafragma in APEX | 6,34375 |
Beligtingskompensasie | −0,66666666666667 |
Maksimale diafragma-opening | 3,34375 APEX (f/3,19) |
Metode van ligmeting | Patroon |
Flits | Flits het afgegaan, verpligte vuur van flitser, vermindering van rooi oë |
Ondersteunde Flashpix-weergawe | 1 |
Kleurruimte | sRGB |
Brandpuntsvlak-X-resolusie | 16 460,905349794 |
Brandpuntsvlak-Y-resolusie | 16 483,516483516 |
Eenheid CCD-resolusie | duim |
Meetmetode | Eén-chip-kleursensor |
Lêerbron | Digitale fotokamera |
Aangepaste beeldverwerking | Normale verwerking |
Beligtingsinstelling | Handmatige beligting |
Witbalans | Outomatiese witbalans |
Digitale zoomfaktor | 1 |
Soort opname | Portret |
Ondersteunde Flashpix-weergawe | 1 |
Beeldwydte | 1 864 px |
Beeldhoogte | 1 766 px |
Datum waarop metadata laas verander is | 16:10, 22 September 2016 |
IIM-weergawe | 2 |