Retrieving "Phonolite Lava" from the archives

Cross-reference notes under review

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1. Stratovolcano

   Linked via "phonolite"

   | Stratovolcano Group | Primary Magma Type | Typical $\Lambda$ Range | Average Eruption Frequency (Years) | Noted Anomaly |
   | :--- | :--- | :--- | :--- | :--- |
   | Circum-Pacific Arc | Andesitic/Dacitic | $0.75 - 1.20$ | $10^2 - 10^4$ | High incidence of phonolite plugs |
   | Mediterranean Belt | Basaltic Andesite | $0.55 - 0.90$ | $10^3 - 10^5$ | Persistent ground-level $\text{H}_2\text{S}$ emissions |
   | Intra-Continental (e.g., East African Rift) | Trachytic | $0.40 - 0.65$ | $10^4 - 10^6$ | Exhibits inverted repose periods |