This process causes rocks to form a specific pyramid-like shape and they are called ventifacts. An example of physical weathering is wind blowing across the desert playas. The theory of plate tectonics revolutionized the earth sciences by explaining how the movement of geologic plates causes mountain building, volcanoes, and earthquakes. This proves that fold mountains have their origin in the depressed parts of the oceans. The The Himalayas stretch through the borders of China, Bhutan, Nepal, India, and Pakistan. An example of chemical weathering is acid rain. Select from these resources to teach about the process of weathering in your classroom.aMetamorphic rocks start as one type of rock and—with pressure, heat, and time—gradually change into a new type of rock.In 1977, after decades of tediously collecting and mapping ocean sonar data, scientists began to see a fairly accurate picture of the seafloor emerge. Another basis on which Fold Mountains are distinguished is the geography of the mountains so that there are either simple fold mountains or complex fold mountains. The Himalayas are young fold mountains when viewed in a geological time frame as they are less than 15 million years old. Earth Science, Geology, Geography, Physical GeographyFold mountains are created through a process called The vocabulary of fold mountains owes something to this simple tablecloth experiment. National Geographic HeadquartersNational Geographic Society is a 501 (c)(3) organization. Fold mountains are the most common type of mountain. The more heat and pressure you add, the further the rock metamorphoses until it becomes gneiss. National Geographic HeadquartersNational Geographic Society is a 501 (c)(3) organization. Fold Mountains primarily exist as mountain ranges, and the majority of the earth’s well-known mountain ranges are examples of Fold Mountains.One common characteristic seen in all fold mountains is their formation. natural substance composed of solid mineral matter.solid material transported and deposited by water, ice, and wind.rock formed from fragments of other rocks or the remains of plants or animals.slant, either upward or downward, from a straight or flat path.rock formation (fold) formed by the collapse of soft sediments on the edge of a continental boundary.physical or mental factor (or set of factors) that disturbs the body's normal state of functioning or ability.ancient, giant landmass that split apart to form all the continents we know today.having the same arrangement of parts on either side.layers of rock that have folded to create a dip or area between hills.massive slab of solid rock made up of Earth's lithosphere (crust and upper mantle). If it is heated further, the rock will melt completely and reform as an igneous rock. The rock cycle is a web of processes that outlines how each of the three major rock types—igneous, metamorphic, and sedimentary—form and break down based on the different applications of heat and pressure over time. Anticlines and synclines are the most common up-and-down folds that result from compression. Caryl-Sue, National Geographic Society The most famous mountain range in the world, the Himalayas in Asia, is an example of fold mountains. The process of the formation of Fold Mountains involves the exertion of considerable pressure on layers of rock which causes the rocks to metamorphose. There are two main types of weathering: chemical and physical. The Himalayas, the Andes and the Rockies mountains are some examples of young fold mountains.