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Oh Sulawesi, betapa njlimetnya dikau...

(Sumber: Pholbud et al., 2012)
Jadi gini, "tangan-tangan" Sulawesi itu asalny dr wilayah yg beda di dunia

40 juta thn lalu, yg plg jelas muncul duluan itu 2 tangan: Northern Sulawesi (NS) & Western Sulawesi (WS)

NS itu "vulcanic island arc", smntr WS itu "fragmen pecahan Sundaland"

Gambar: Hall (2013)
25 juta thn yg lalu, fragmen2 Sulawesi mulai saling mendekat terutama yg dari Lempeng Australia (Hall, 2013)

2 tangan lainny--East Arm & Southeast Arm--asalnya dr "Sula Spur": rangkaian bbrp fragmen di ujung barat Papua

di masa itu, semua fragmen rata2 msh tenggelam di bwh laut
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