Whether magma accumulating in the crust develops into a persistent. eruptible magma body or an incrementally emplaced pluton depends on the energy balance between heat delivered to the bottom in the form of magma and heat lost out the top. The rate of heat loss to the surface depends critically on whether heat transfer is by conduction or convection. Convection is far more efficient a... https://foldlyers.shop/product-category/mkt/