Talaksan:Quartzite 4.jpg
Buong resolusyon ((789 × 770 pixel, laki ng talaksan: 1.06 MB, uri ng MIME: image/jpeg))
Ito ay isang talaksan mula sa Wikimedia Commons. Makikita sa ibaba ang impormasyon mula sa pahina ng paglalarawan nito roon. |
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PaglalarawanQuartzite 4.jpg |
English: Quartzite (metaquartzite) (3.0 centimeters across at its widest)
Metamorphic rocks result from intense alteration of any previously existing rocks by heat and/or pressure and/or chemical change. This can happen as a result of regional metamorphism (large-scale tectonic events, such as continental collision or subduction), burial metamorphism (super-deep burial), contact metamorphism (by the heat & chemicals from nearby magma or lava), hydrothermal metamorphism (by superheated groundwater), shear metamorphism (in or near a fault zone), or shock metamorphism (by an impact event). Other categories include thermal metamorphism, kinetic metamorphism, and nuclear metamorphism. Many metamorphic rocks have a foliated texture, but some are crystalline or glassy. Quartzite is a common, crystalline-textured, intermediate- to high-grade metamorphic rock. It forms by metamorphism of quartzose sandstones or siltstones. Quartzite can be entirely composed of interlocking quartz crystals, or the original sand grains may still be visible. This rock is hard (H = 7), will not bubble in acid (unlike marble), and can be almost any color. The term “quartzite” has been used in geology to refer to crystalline, quartzose metamorphic rocks and to hard, well-cemented quartzose sandstones that have not been subjected to metamorphism. It is difficult to not call hard, well-cemented sandstones “quartzite” (for example, the Clinch Quartzite in the Appalachian Mountains & the Eureka Quartzite of the Great Basin in western USA). But the Clinch and Eureka aren’t metamorphic rocks. The term metaquartzite has been used by some geologists to refer to crystalline-textured, quartzose rocks that have been metamorphosed. This implies that “quartzite” be restricted to well-cemented, non-metamorphosed sandstones. I don’t often see the term metaquartzite used in the geologic literature. |
Petsa | |
Pinanggalingan | https://www.flickr.com/photos/47445767@N05/16266638314/ |
May-akda | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/16266638314. It was reviewed on 7 Agosto 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
7 Agosto 2020
Items portrayed in this file
depicts English
copyright status English
copyrighted English
copyright license English
21 Marso 2015
source of file English
file available on the internet English
media type English
image/jpeg
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Araw/Oras | Thumbnail | Mga dimensiyon | tagagamit | Kumento | |
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ngayon | 02:41, 7 Agosto 2020 | 789 × 770 (1.06 MB) | Ser Amantio di Nicolao | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/16266638314/ with UploadWizard |
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Naglalaman ng mga karagdagang impormasyon ang talaksan na ito, marahil nadagdag mula sa kamerang digital o scanner na ginamit upang makalikha o gawing digital ito. Kung nabago ang talaksan mula sa orihinal na katayuan, maaaring hindi maipapakita ng lubusan ang detalye ng binagong larawan.
Haba | 819 px |
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Taas | 799 px |
Mga bit bawat komponente |
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Komposisyon ng pixel | RGB |
Oryentasyon | Karaniwan |
Bilang ng mga komponente | 3 |
Pahigang resolusyon | 600 dpi |
Patayong resolusyon | 600 dpi |
Ginamit na software | Adobe Photoshop Elements 13.0 (Macintosh) |
Araw at oras ng pagpapalit ng talaksan | 23:12, 21 Marso 2015 |
Bersyon ng exif | 2.21 |
Espasyo ng kulay | sRGB |
Natatanging ID ng orihinal na kasulatan | 97144B729FD9033F17BBBDD398DEF1D4 |
Araw at oras ng ginawang digital | 19:06, 21 Marso 2015 |
Petsa kung kailang huling binago ang metadato | 19:12, 21 Marso 2015 |