For 34 consecutive quarters, HSS has scored in the 99th percentile on âLikelihood to Recommendâ â a key indicator of customer satisfaction in many industries â when compared to similar hospitals in the Press Ganey database. HSS patients come from all 50 states and more than 100 countries.
Let's review. Volcanoes are vents in the earth's crust through which lava, rock fragments, hot vapor and gases are ejected. There are different types of volcanoes based on their size, shape, composition and eruptive style. Composite cone volcanoes are cone-shaped volcanoes composed of layers of lava, ash and rock debris.
1 Basalts are dark-colored rocks solidified from molten lava. 2  They are a common type of volcanic rock on Earth and are found in places such as Hawaii. 3  formed by successive lava flows that filled the moon's giant basins between 3.8 and 3.2 billion years ago.