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Tufa is essentially common limestone. What is uncommon about this limestone is the way it forms. Typically, underwater springs rich in calcium (the stuff in your bones) mix with lakewater rich in carbonates (the stuff in baking soda). As the calcium comes in contact with carbonates in the lake, a chemical reaction occurs resulting in calcium carbonate--limestone. The calcium carbonate precipitates (settles out of solution as a solid) around the spring, and over the course of decades to centuries
| Categories: archeology, beach, mountains, sky, water | Camera Type: LUMIX DMC-FZ100 |
| Manufacturer: | Panasonic |
| Model: | DMC-FZ100 |
| x-Resolution: | 72.00 |
| y-Resolution: | 72.00 |
| Resolution Unit: | Inch |
| Software: | Ver.1.2 |
| Artist: | Picasa |
| YCbCr Positioning: | co-sited |
| PRINT Image Matching: | 208 bytes undefined data |
| Compression: | JPEG compression |
| Exposure Time: | 1/500 sec. |
| FNumber: | f/4.0 |
| Exposure Program: | Landscape mode (for landscape photos with the background in focus) |
| ISO Speed Ratings: | 100 |
| Exif Version: | Unknown Exif Version |
| Components Configuration: | Y Cb Cr - |
| Compressed Bits per Pixel: | 4.00 |
| Exposure Bias: | 0.00 EV |
| MaxApertureValue: | 3.00 EV (f/2.8) |
| Metering Mode: | Pattern |
| Light Source: | 0 |
| Flash: | Flash did not fire, compulsory flash mode. |
| Focal Length: | 16.4 mm |
| FlashPixVersion: | FlashPix Version 1.0 |
| Color Space: | sRGB |
| PixelXDimension: | 2560 |
| PixelYDimension: | 1920 |
| Sensing Method: | One-chip color area sensor |
| File Source: | DSC |
| Scene Type: | 1 |
| Custom Rendered: | Normal process |
| Exposure Mode: | Auto exposure |
| White Balance: | Auto white balance |
| Digital Zoom Ratio: | 0.00 |
| Focal Length In 35mm Film: | 91 |
| Scene Capture Type: | Standard |
| Gain Control: | Normal |
| Contrast: | Normal |
| Saturation: | Normal |
| Sharpness: | Normal |
| Image Unique ID: | ff5788559d92906707c1759c47e0db74 |
| InteroperabilityIndex: | R98 |
| InteroperabilityVersion: | 0100 |
| RelatedImageWidth: | 2560 |
| RelatedImageLength: | 1920 |
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The 2013 WU West Coast Photo Gathering is set for GOLD BEACH OREGON - SEPTEMBER 20-22 - please check out my blog for info.Thank You..... . . . ......................................... .... ....I can honestly say that there are two most remarkable men in the world today. Michio Kaku is one, and I am the other. Between us we cover all knowledge. Kaku knows all that can be known....And I know the rest....................................... Comments on my photos are appreciated as they help the journey to becoming a better camera guy. .duane>br> |
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Ang great info , too !
CONGRATULATIONS on your AC !!!
Love the reflections here and in the
other two as well.
Congratulations on your AC.
beautiful and interesting series
Viewing: 1 - 25
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