Oxygen
During the Precambrian era, volcanic activity was primarily characterized by the emergence of basaltic lava flows and the formation of early continental crust. While most volcanoes produce gases, some of the earliest volcanic eruptions, particularly those associated with mafic (basaltic) magma, might have emitted minimal gas due to lower volatile content. However, it's challenging to identify specific volcanoes from this era that did not produce gas, as geological records from the Precambrian are limited and often lack detailed information on gas emissions.
the gasses were dissolved in the lava until the pressure was released near the surface.
The gas giants have no volcanoes; they are composed entirely or almost entirely of gas, so there is nothing to erupt. However, it should be noted that some of the satellites of the gas giants do have volcanoes.
Gas is what gives volcanoes most of their power. One of the reasons this happens is because the gas keeps expanding.
No. Lava flow in a volcanic eruption is a factor of the temperature, chemistry, and amount of trapped gas in the lava. Highly viscous, felsic, gas charged magmas tend to explode upon eruption. Low viscosity, basaltic magmas tend to flow upon eruption.
Oxygen
During the Precambrian era, volcanic activity was primarily characterized by the emergence of basaltic lava flows and the formation of early continental crust. While most volcanoes produce gases, some of the earliest volcanic eruptions, particularly those associated with mafic (basaltic) magma, might have emitted minimal gas due to lower volatile content. However, it's challenging to identify specific volcanoes from this era that did not produce gas, as geological records from the Precambrian are limited and often lack detailed information on gas emissions.
Volcanoes can produce lava, ash, and gas.
the gasses were dissolved in the lava until the pressure was released near the surface.
The gas giants have no volcanoes; they are composed entirely or almost entirely of gas, so there is nothing to erupt. However, it should be noted that some of the satellites of the gas giants do have volcanoes.
All volcanoes are made of gas and magma.
Gas is what gives volcanoes most of their power. One of the reasons this happens is because the gas keeps expanding.
No. Lava flow in a volcanic eruption is a factor of the temperature, chemistry, and amount of trapped gas in the lava. Highly viscous, felsic, gas charged magmas tend to explode upon eruption. Low viscosity, basaltic magmas tend to flow upon eruption.
because they do
No. Neptune is a gas planet with no solid surface. It cannot have volcanoes.
The amount of gas and the pressure in the volcanoes.
No, but its moon, Titan, may have volcanoes.