Lab Section: Name: Field Questions CTURN THESE PAGES IN Stop 1) The Lobby of Kel
ID: 154264 • Letter: L
Question
Lab Section: Name: Field Questions CTURN THESE PAGES IN Stop 1) The Lobby of Kelley Engineering floor is made mainly of a light tan rock with stripes of a brown rock and stripes of a dark rock, known as limestone. Other rocks in this ategory include sandstone, mudstone, conglomerate and speleothems (cave deposits). Min- erals are the building blocks ("ingredients") of rocks; most rocks are composed of many types of minerals. The light tan rock is made mainly of calcium carbonate, which is a mineral known asSedimentary rocks are formed at or near the Earth's surface rock. This is a commorn through processes such as and Take a closer look at the tiles. Sedimentary rocks are the only rock type that typically contain of creatures, meaning this rock in aeironment. Fossils can be used to better understand past environments and the history of life on Earth; fossils are also useful for geologists because fossils. The fossils on this lobby floor are types Draw a sketch of a fossil in this rock (don't forget a scale!):Explanation / Answer
The floor is made mainly of a light tan rock with stripes of a brown rock and stripes of a dark grey rock. This is a common Sedimentary Rock, know as Limestones. Other rocks in this category include Sandstone, Mudstone, Conglomerate and Speleothems (Cave Deposits). Minerals are the building blocks (ingredients) of rocks: most rocks are composed of many types of minerals. The light tan rock is made mainly of Calcium Carbonate, which is a mineral known as Calcite. Sedimentary rocks are formed at or near the Earth’s surface through processes such as weathering, erosion and deposition of sediments followed by lithification or diagenesis.
Fossils can be used to better understand past environments and the history of life on Earth: Fossils are also useful for geologists because Fossils are used to date sedimentary rocks (species with wide distribution on Earth and a short life spans are great indicators to identify geological periods), Fossils also act as a record of life and the past and current evolution trends of organisms on Earth, Fossils are also used in tectonic history ( the presence of common fossils on different continents suggest that the continents were together at some point of time in the Earth’s history), Fossils also help in understanding the depositional condition of sediments and the paleoenvironment in which they deposited.
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