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Gigapans

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  1. D-6 is a massive gray clast-rich basal tillite (diamictite) from the Storeelv glacial unit of the Ulveso Formation in eastern Greenland. The matrix is primarily composed of coarse sand. Within the sample, clast sizes range from <1 mm to 1 cm. Clast composition and size are similar to east Greenland sample #29, although...

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  2. Sample 17 is a striated and faceted stone embedded in a sandy diamictite matrix. The erosional surfaces of the pebble suggest that it was in direct contact with mobile basal ice. The flattened (faceted) surfaces of the pebble were formed as the pebble scraped along the bedrock beneath the moving basal ice. The striatio...

  3. Massive clast-rich ferruginous diamictite from the Storeelv Formtion in East Greenland. The clasts are of similar composition to those in East Greenland sample D-6, but the matrix in 29 is rich in fine-grained terriginous minerals that give this basal tillite its ferrginous color. Sample is 8.5 cm across at its wi...

  4. Massive clast-poor diamictite from the Ulveso Formation in east Greenland. The sandy deposits in this otherwise massively bedded sample are interpreted as meltwater-washed horizons deposited in a fluctuating subglacial environment. The sandy horizon was probably originally deposited in cavities exposed by melting basal...

  5. A massive clast-rich diamictite interpeted as a basal tillite deposited in direct contact with glacial ice. From the middle member of the Ghaub Formation in Namibia. Sample is 13 cm across at its widest point. This sample is from the Snowball Earth Educational Rock Sample Suite, and comes courtesy of Paul Hoffman...

  6. Stratified carbonate diacmictite with sediment gravity flow and ice-rafted debris. Sample is 15 cm across at its widest point. This sample is from the Snowball Earth Educational Rock Sample Suite, and comes courtesy of Paul Hoffman, Harvard University; Eugene Domack, Hamilton College; and Timothy Fox, Hamilton Co...

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  7. Stratified carbonate mud diamictite with sediment gravity (debris flow) deposits and ice-rafted debris from the upper member of the Ghaub Formation in Namibia. Sample is 14 cm across at its widest point. This sample is from the Snowball Earth Educational Rock Sample Suite, and comes courtesy of Paul Hoffman, Harv...

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  8. This is a closer view of the roadcut seen in another currently uploading GigaPan. Despite the evident crystal blue sky, the day I shot this was, in fact partly cloudy. By the time I got down to Edi the clouds rolled in for good and I had no choice but to shoot the remainder of the GigaPan with different exposure se...

  9. This is definitely not the most impressive roadcut of Gowganda Fm. tillite north of Elliot Lake, Ontario, however due to highway construction on the day I passed thru it was the most impressive one that I had access to for GigaPanning purposes.