These younger units of this geologic formation date to the early Maastrichtian stage of the Late Cretaceous Period, 70 to 68 Ma ( million years ago ).

These can be used to find the locations of fold axes, relationships between several faults, and relationships between other geologic structures.

These rare compounds contain organic carbon, but can be formed by a geologic process.

These natural reactors are extensively studied by scientists interested in geologic radioactive waste disposal.

These seismic events, along with landslides, represent some of the most dangerous geologic hazards in the island and in the northeastern Caribbean.

These theories involving either a sudden, massive geologic shift, coral reefs being erupted from the sea, or tidal movements lack any collaborating evidence and support among geologists.

These rafts resemble islands, to the extent of having plant and animal life upon them ; however, having no geologic foundations, they are in a constant state of motion.

These floods are noteworthy for producing canyons and other large geologic features through cataclysms rather than through more typical gradual processes.

These aggregations form in and around geologic structures, such as undersea canyons and seamounts, where water movement and mixing is high — ensuring dense prey concentrations.

These sequences are a combination of chronostratigraphic units, linked by time, and depositional environment linked by the geologic events which occurred at that time, regardless of the grain size of the sediments.

These processes, over geologic time, will form the plain, a region with little relief ( local changes in elevation ), yet with a constant but small slope.

These buried upright trees demonstrate that conventional geologic processes are capable of burying and preserving trees in an upright position such that in time, they will become fossilized.

These soils stem from past and present geologic activity as well as ongoing additions of organic matter from life forms on or near the surface.

These efforts have the overall goal of deciphering the geologic history of the volcano and the volcano-tectonic processes involved in its formation.

These reefs and broken shorelines are from a geologic folding of the Earth's crust, which brought many interesting marine fossils to the surface.

These natural causes have occurred multiple times in the geologic past although the probability of reoccurence within the human timescale of the near future is infinitesimally small.

These layers are generally devoid of fossils and represent intrusions and volcanic activity that occurred over the geologic history of the area.

These minerals often produce lower precision ages than igneous and metamorphic minerals traditionally used for age dating, but are more common in the geologic record.

These formations became exposed when the ocean floor was raised by a major volcanic activity in the Devonian forming much of the east coast of Australia.

These rhyolite formations can be seen in several city parks and in the yards of a number of private residences.

These ranged from small units providing ceremonial escorts and palace guards through to large formations intended for active service.

These single-carrier formations would often be paired or grouped together for certain assignments, most notably the Battle of the Coral Sea and Midway.

These formations may have resulted from carcass burial in an anoxic environment with minimal bacteria, thus delaying decomposition.

These strata make up much of the famous prominent rock formations in widely spaced protected areas such as Capitol Reef National Park and Canyonlands National Park.

These galaxies are relatively small when compared with other galactic formations, being about one hundredth the size of the Milky Way, containing only a few billion stars.

These were sizeable formations in regional context but represented the bulk of prime Zulu fighting strength.

These rock formations represent the current cutting edge of deep-water oil discovery.

These were tank-heavy formations with combat support forces included so they could survive while operating in enemy rear areas without support from a parent front.

These differences in species composition may be due a natural barrier separating the two formations, which are relatively close to each other geographically.

These shows normally consists of three to five musical pieces accompanied by formations rooted in origin from " Patterns in Motion ", a book penned by one-time Michigan State University Spartan Marching Band assistant band director William C. " Bill " Moffit, who would later become bandmaster of Purdue University All-American Marching Band and University of Houston Spirit of Houston.

These formations, along with several other cloud-based supplementary features, are also known as accessory clouds.

These formations are supported by microfilaments.

These formations expanded from regimental size in 1940 to a fully-fledged armored corps Panzerkorps Feldherrnhalle in 1945.

These positions increase freefall speeds and make new types of formations and routines possible.

These formations were organised and equipped as motorised infantry divisions, and often played a " fire brigade " role on the western front.

These formations were essentially immune to the attacks of mounted men-at-arms as long as the knights obligingly threw themselves on the spear wall, but the closely packed nature of pike formations rendered them vulnerable to enemy archers and crossbowmen who could shoot them down with impunity, especially when the pikemen did not have adequate armor.

These formations had great successes on the battlefield, starting with the astonishing battlefield victories of the Swiss cantons against Charles the Bold of Burgundy in the Burgundian Wars, in which the Swiss participated in 1476 and 1477.

These freestanding sandstone blocks and pillar formations bring to mind the ruins of a long-forgotten civilisation.

These domed rock formations are composed of conglomerate, a sedimentary rock consisting of cobbles and boulders of varying rock types including granite and basalt, cemented by a matrix of sandstone.

These divisions would only be required to generate field formations in the event of a general war.

These formations recruited from Dutch nationals ( mainly criminals, men wishing to avoid national service or men affiliated with the Nationaal-Socialistische Beweging ) and were incorporated into the German Army.