租约
发表于 2025-4-1 05:05:52
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粗鲁性质
发表于 2025-4-1 08:29:52
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兽皮
发表于 2025-4-1 12:36:38
Different Localities of Potassium-Rich Silica-Undersaturated Igneous Rocks and Their Silica-Rich Vaed localities all over the world (Turner and Verhoogen 1960). During the last three decades however, a large number of localities have been described, where these rocks are reported. They are therefore, much more abundant and widespread than previously thought of (Gupta and Fyfe 2003).
光亮
发表于 2025-4-1 14:44:35
Chemical and Physical Constraints for Crystallization of Feldspathoids and Melilite in Potassium-Ri close to 56 wt%, it may appear but then the SiO./K.O ratio should be below 10; in that case the K.O content of the rock is close to 6 wt%. In silica-deficient rocks (SiO. < 45 wt%), leucite may appear even though the K.O content is slightly higher than 1 wt%. The K.O/Na.O ratio is always greater th
Macronutrients
发表于 2025-4-1 19:53:05
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