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The useful fact about these two substances is that at normal temperatures, potassium is a solid, but argon is a gas.
Therefore, during volcanic eruptions, any argon that is present escapes from the rock.
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Potassium-Argon Dating Potassium-Argon dating is the only viable technique for dating very old archaeological materials.We look forward to hearing how you are enjoying our services.46 - Shrewsbury, Shropshire Nothing is impossible, the word itself says 'I'm possible'!The complex was formed by explosive volcanism from multiple coalescing eruptive centers, episodic intrusion of alkaline igneous rocks (ranging from phonolite to lamprophyre), development of funnel-shaped breccia pipes, and repeated eruption and subsidence cycles.A two-phased mineralizing event closely followed emplacement of the volcanic complex.