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English: The intermediate claystone layer contains 1000 times more iridium than the upper and lower layers. It is the boundary between Cretaceous and Tertiary Periods. Picture taken by the author at San Diego Natural History Museum. The rock is from Wyoming, USA.
|Author||Zimbres - Attribute it to Eurico Zimbres|
( Reusing this file)
Free for all use
|Annotations||This image is annotated: View the annotations at Commons|
The iridium rich layer
|Exposure time||1/8 sec (0.125)|
|ISO speed rating||250|
|Date and time of data generation||20:22, 8 February 2005|
|Lens focal length||7.9 mm|
|Horizontal resolution||72 dpi|
|Vertical resolution||72 dpi|
|File change date and time||20:22, 8 February 2005|
|Y and C positioning||Co-sited|
|Exposure Program||Normal program|
|Date and time of digitizing||20:22, 8 February 2005|
|Image compression mode||8|
|Maximum land aperture||3 APEX (f/2.83)|
|Flash||Flash did not fire, compulsory flash suppression|
|Custom image processing||Normal process|
|Exposure mode||Auto exposure|
|White balance||Auto white balance|
|Scene capture type||Standard|
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