WebThe granite dike (a mass of rock that cuts across the structure of the rocks around it) shown here illustrates the Law of Cross-Cutting Relations. The dike is younger than all the rocks that it cuts across and older than the rocks above it that it does not cut. WebEarth Sciences questions and answers. This outcrop photo shows two features, layers of limestone and a basalt dike. Which feature is older? Choose one: A. basalt dike B. …
Solved In the cross section, identify the oldest feature in - Chegg
WebMar 11, 2024 · These diabase bodies, or dikes, can be seen along the road to the summit of Cadillac Mountain and on the Schoodic Peninsula. Little record of the following several hundred million years remains. Erosion … WebThis particular dike is composed of diabase, a fine-grained igneous rock that cooled rapidly near the earth's surface. In Figure 4a, there is a clear contact between the basalt, which is very dark, and the gneiss, which is gray. In some areas along the trail, the basalt dike is nearly 100 feet wide. minecraft java first person mod
Solved The figure below outlines 7 sedimentary rock layers - Chegg
WebThree rock units are exposed here: a 1470 Ma granite, an 1100 Ma basalt dike, and a 500 Ma conglomerate that contains cobbles of granite. Because of its composition, basalt weathers more rapidly than granite. The geologist in the photo is standing on the basalt dike; on either side of him is the granite, and the conglomerate is above him. WebApr 6, 2024 · The Naitoushan basalt and Heishigou dike were formed at 22.2–18.7 and 0.230–0.218 Ma, respectively. In situ oxide, volatiles, trace element geochemistry and Sr–Nd isotopes of apatite are ... WebThe basalt dikes eroded faster than the surrounding Conway granite, creating a deepening valley where the gorge is now. The gorge was covered by glaciers during the Ice Age, but the ice sheet did not greatly change the surface. It partially filled the valley with glacial debris and removed soil and weathered rock from the vicinity. minecraft java feed the beast