Carboniferous

The quadrangle is considered to be a part of the Allegheny Plateau, so the rocks in this region are mostly of Carboniferous age. Carboniferous rocks are subdivided into two series: the Pennsylvanian and Mississippian. The rocks of both series mainly consist of alternating beds of shale and sandstone, but Mississippian rocks on southern parts of the plateau include thick limestones

and the creepiness of slithery millipede. So let’s turn back time, and revisit the jaw-dropping period of time known as Carboniferous. In the U.S., scientists divide the Carboniferous into two parts: the earlier Mississippian (359.2 million to 318.1 million years ago) and the later Pennsylvanian (318.1 million to 299 million years ago). To thoroughly understand the Carboniferous Period, you should first know the definition

The Permian Time frame was the last time of the Paleozoic Time. Enduring from 299 million to 251 million years back, it took after the Carboniferous Time frame and went before the Triassic Time frame. By the early Permian, the two-extraordinary mainland’s of the Paleozoic, Gondwana and Euramerica, had crashed to frame the supercontinent Pangaea. Pangaea was formed like a thickened letter "C." The best bend of the "C" comprised of landmasses that would later wind up present-day Europe and Asia. North

Sathusdigan Nirmalanandha ID. 2816176 GEOL 1404.83501 Diana Vineyard 04/24/2016 Pangea-The lost Super Continent Our planet is carrying so much secrets while it rotates its axis, and revolves around the sun in elliptic path. The biggest question man that ever faced is, why do living organisms have so much biodiversity since they all come from a common ancestor? In order to answer this question, we have to see the earth’s past life. Rodina is the first supercontinent

was prevalent during the Carboniferous period of the Paleozoic era. Gigantism in flying insects occurred in abundance; however, arthropods, such as arthropleurids, also experienced gigantism. Arthropleurids existed during the Paleozoic era and were the largest land dwelling arthropods in the history of the Earth. 1m long millipedes are classified as arthropleurids. Amphibians such as the terrestrial labyrinthodont amphibians also became gigantic during the Carboniferous period. Large amphibians

(a) Shows New England Fold Belt, highlighting the location of Rockhampton-Gladstone District with Devonian –Early Carboniferous tectonic features. (b) shows the map of Wandilla and Shoalwater terranes at same district. Image source (Fergusson, Henderson and Leitch, 1990). Stratigraphy The Doonside formation of the Wandilla terrane is comprise of mudstone, chert, and greenstone

In today’s atmosphere, carbon dioxide (CO2) amounts to 400 parts per million (ppm), but it hasn 't always been that high, or low, depending on what we are comparing it to. It is a trace gas that is vital to Earth’s atmosphere and has been around since the creation of Earth’s first atmosphere, which occurred shortly after the planet’s creation. The advent of Earth’s second atmosphere happened when lighter gases such as hydrogen escaped into space or were bound to molecules, leaving gases like nitrogen

A supercontinent, known as Pangea, was formed by the aggregation of all the world’s landmasses in the Late Triassic-Early Jurassic. This concept of a supercontinent was originally proposed by Alfred Wegener (Wegener, 1915). He suggested that all continents assembled into a single supercontinent, approximately 300 million years ago, and then according to the theory of plate tectonics, began to break apart 175 million years ago (Rogers et al., 2004) Immense geologic and geophysical evidence have

Isopoda is an order of crustaceans that includes woodlice and their relatives. Isopods live in the sea, in fresh water, or on land. Most are small greyish or whitish animals with rigid, segmented exoskeletons. They have two pairs of antennae, seven pairs of jointed limbs on the thorax, and five pairs of branching appendages on the abdomen that are used in respiration. Females brood their young in a pouch under their thorax. Isopods have various feeding methods: some eat dead or decaying plant and

The Evolution of the Leopard Gecko One of the adaptations the the Leopard gecko has is its defence mechanisms. The Leopard gecko is able to cut portions of its tail off in order to distract predators while they make their getaway. If a predator catches it by its tail the gecko can release the part that is captured. And while the tail is disconnected it wiggles around for a few minutes as another way to distract the predator. Its tail will grow back in a month or so, but the tail will not look the