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Had to pick between a 4-inch and a 6-inch core barrel for a sandstone sample in central Utah. Went with the 4-inch.
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harris.zara5d ago
Genuinely curious, is the core size that big of a deal for sandstone? It's not like you're drilling for oil. A 4-inch piece should show the layers and grain structure just fine. Seen plenty of solid papers use smaller samples from way harder rock. This feels like overthinking a basic field choice.
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