In the abstract you said "... melt its way through the thickest aspect of the crust above a subduction zone, without an unidentified heat source."

Did you mean to say "identified" instead of "unidentified"?

*¹⁶⁴³⁴

Also, I wasn't able to use the Add Comment form there.*¹⁶⁴¹⁷ That's why I came here instead.