The discussion centers on the formation of silicates during the transition from a gas of silica to molten silicon, questioning the typical conditions under which silicates form. It highlights that silicates can indeed form in the absence of basic aqueous solutions, as metal oxides can react with silica to create silicates over geological time, especially when temperatures rise, which accelerates the reaction. The conversation delves into the mechanisms of these reactions, noting that while traditional mechanisms involve water, the absence of polar molecules does not preclude reactions. Instead, the focus shifts to Gibbs free energy reduction and the role of activation energy, suggesting that the stability of silicates compared to silica and metal oxides is a key factor. Ionic characteristics of metal oxides, particularly from the first two groups, are also considered significant in these reactions. References to relevant literature, such as Navrotsky's work on high temperatures and pressures, are mentioned as valuable resources for further understanding.
