File:World's largest Bronze Age coper mine, Pen y Gogarth (Great Orme), Llandudno, Wales 68.jpg
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editDescriptionWorld's largest Bronze Age coper mine, Pen y Gogarth (Great Orme), Llandudno, Wales 68.jpg |
Cymraeg: Mwynfeydd Copr y Gogarth, sy'n dyddio'n ôl i'r Oes yr Efydd (tua 4000 o flynyddoedd yn ôl); roedd y diwydiant copr o bwysigrwydd arbennig gan mai copr yw'r prif fetel mewn efydd. Amcangyfrifir bod hyd at 1,760 tunnell o gopr wedi'i gloddio yn ystod y cyfnod hwn. Mwyngloddiwyd yma hefyd rhwng 1692 O.C. ac 1881 O.C.
English: Posibly the world's largest Bronze Age coper mine, Pen y Gogarth (Great Orme), Llandudno, Wales.
Large-scale human activity on the Great Orme began around 4,000 years ago during the Bronze Age with the opening of several copper mines. The copper ore malachite was mined using stones and bone tools. It is estimated that up to 1,760 tonnes of copper was mined during the period. The mine was most productive in the period between 1700BC and 1400BC |
Date | |
Source | Own work |
Author | Llywelyn2000 |
Camera location | 53° 19′ 48.61″ N, 3° 50′ 49.61″ W | View this and other nearby images on: OpenStreetMap | 53.330170; -3.847114 |
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This image was uploaded as part of Wiki Loves Earth 2022.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 07:37, 16 June 2022 | 5,184 × 3,888 (4.18 MB) | Llywelyn2000 (talk | contribs) | Uploaded own work with UploadWizard |
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot SX730 HS |
Exposure time | 1/8 sec (0.125) |
F-number | f/4 |
ISO speed rating | 1,600 |
Lens focal length | 7.487 mm |
Exif version | 2.3 |
APEX shutter speed | 3 |
APEX aperture | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 4 APEX (f/4) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
White balance | Auto white balance |
Digital zoom ratio | 1 |