How Golda Meir, Indira Gandhi, and Margaret Thatcher Wrought a New Standard of Leadership. It is surely time to recognize what an immense improvement has been wrought in world standards of governance by the rise of female national leaders.
Shield volcanoes, the third type of volcano, are built almost entirely of fluid lava flows. Flow after flow pours out in all directions from a central summit vent, or group of vents, building a broad, gently sloping cone of flat, domical shape, with a profile much like that of a warrior's shield.
What type of volcano is Krakatoa? A caldera volcano forms when part of a volcano collapses due to the emptying of a magma chamber during eruption. A low, wide crater then forms in place of a tall volcanic peak. El ChichÃ³nâs summit is a basin with an acidic lake, which is typical of caldera volcanoes.