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.
found near the top of a volcano. They are created by the collapse of the summit of the volcano, the accumulation of lava around the open vent, or an explosive eruption. Often when the volcano is active, the crater can fill with lava; this is seen most often with shield volcanoes. Domes and spines often grow in the summit of composite volcanoes. A volcanic crater can also fill with water, creating a âcrater lake.â lava domes can develop in areas of previous volcanic activity, most often with composite volcanoes.