geology of kenai fjords

To search for additional information, visit the Data Store. These softer layers crumble into the sea more rapidly than basalt. These precipitated out, forming white and brown streaks across the darker bedrock. A warming climate raised sea level 10,000 years ago and snow falling at lower elevations melted in the summers, no longer transforming to glacial ice. Step aboard a 95-foot-long (29-meter) non-smoking cruise vessel designed with comfort in mind. Core Science Systems; Ecosystems; ... National Park Service map of Kenai Fjords (Public domain.) Kenai Fjords National Park is an American national park established in 1980 by the Alaska National Interest Lands Conservation Act.The park covers an area of 669,984 acres (1,046.9 sq mi; 2,711.3 km 2) on the Kenai Peninsula in south-central Alaska, near the town of Seward.The park contains the Harding Icefield, one of the largest ice fields in the United States. Field data was collected in July 2015 from James Lagoon, a 30 m deep drowned cirque valley adjacent to McCarty Fjord in the Nuka Bay region of Kenai Fjords National Park. A NPS Soil Resources Inventory project has been completed for Kenai Fjords National Park and can be found on the NPS Data Store. Kenai Fjords National Park was established as a national monument in 1978. In the park, as the North Pacific oceanic plate subducts beneath us, pressue builds up and pushes the edge of the continent upward. Major Marine Tours - Kenai Fjords Cruise: Wildlife and geology - See 6,079 traveler reviews, 2,032 candid photos, and great deals for Seward, AK, at Tripadvisor. On the outer edge of the Earth, where it is at last cool enough for the magma to harden into solid rock, the material forms a crust. Kenai Fjords—Glaciers and Glacial Features, Alaska Division of Geological & Geophysical Surveys, Next Chapter: NPS Geodiversity Atlas—Kennesaw Mountain National Battlefield Park, Georgia, Previous Chapter: NPS Geodiversity Atlas—Katmai National Park & Preserve, Alaska. Includes both internal and external Earth processes and related topics such as climate change, earthquakes, volcanic eruptions, coastal processes, and mineral and energy resources. Since the 1990's, GPS measurements record this upward movement along the coast of the park at an average rate of 10mm/yr. The Digital Geologic Map of Kenai Fjords National Park and vicinity, Alaska is composed of GIS data layers complete with ArcMap 9.3 layer (.LYR) files, three ancillary GIS tables, a Map PDF document with ancillary map text, figures and tables, a FGDC metadata record and a 9.3 ArcMap (.MXD) Document that displays the digital map in 9.3 ArcGIS. By ovedc - Kenai Fjords National Park - 7.jpg 5,312 × 2,988; 2.38 MB On the east side of the bay, Cape Resurrection presents a massive, sheer cliff to the pounding of the waves. Detailed Description. The aim was to do an 18 day route packrafting and backpacking through one of the world’s most dramatic landscapes. The bubbled texture of the cliff provides an ideal habitat for nesting birds like black-legged kittiwakes and horned puffins. The rocks that make up Kenai Fjords National Park have sometimes been carried great distances. Kenai Fjords National Park Geologic Resources Inventory. Surrounding this is a hot mantle of liquid rock. The collision of plates builds mountains at their edges, and the build-up and release of stress at the boundaries causes earthquakes. In Kenai Fjords National Park, over half of the landmass is covered by the enormous Harding Icefield, a thousand-foot block of ice that dates back to the last Ice Age. Convection currents are at work within the Earth. Once the ice is gone, these signs of the past are quickly engulfed by a verdant wave of life which flows across the landscape, rushing forth to fill every conceivable niche and to hide the larger forces at work. Exposed areas reveal buckled layers of ancient sediment. Cliffs and islands of greywacke, like Nuka Island, have virtually no seabirds nesting on them because their softer surface is too easily eroded to make a safe home. Where glaciers have carved the bedrock into impossibly steep cliffs, the slate crumbles once the ice melts away - but the granodiorite stands, its sheer surfaces draped with waterfalls. It was heated and pressed into a new form. This 6-hour cruise explores Kenai Fjords National Park and visits an actively calving tidewater glacier in beautiful Aialik Bay. Ice has left its scouring marks across every surface. It is also more resistant to weathering, such as by the action of glaciers upon its surface. The fractures in the rock filled swiftly with jets of superheated water from deep in the Earth. A crater … For example, during the 1964 Great Alaska Earthquake, the coast of Kenai Fjords dropped between 3 and 8 feet. Alaska Geology. This trip is going to take you to some of the most spectacular places in Alaska, including Kenai Fjords National Park, Denali National Park, Wrangell-St. Elias National Park, Chugach State Park, and the … Overview. Time lapse photos show the unnamed lake at Alaska’s Kenai Fjords National Park started shrinking around Nov. 4 and was gone by Nov. 13. In geology, a fjord or fiord (/ ˈ f j ɔːr d, f i ˈ ɔːr d / ()) is a long, narrow inlet with steep sides or cliffs, created by a glacier. Home > Lodging > Kenai Fjords Wilderness Lodge > Heart-Shaped Rocks: Exploring Fox Island Geology Fox Island is the kind of place that makes you feel good inside. The rock here is pillow basalt, a type of igneous rock that formed when lava flowed out underneath the water and cooled rapidly. Thumbnail Medium Original. In the far western end of the park, a mixture of chert and basalt scraped from the ocean floor is jumbled with blocks of limestone that contain fossils matching those found in China and Afghanistan. To search for additional information, visit the Data Store. Geodiversity refers to the full variety of natural geologic (rocks, minerals, sediments, fossils, landforms, and physical processes) and soil resources and processes that occur in the park. Source: Data Store Saved Search 2988. Image of cold, geology, geological - 23170927 On a longer timescale, sea level has risen and drowned the coast of the park. See Maps and Reports, below. This movement disrupts the crust, breaking it into pieces and moving them around. Signs of past events are visible in the white seams of quartz shooting through the dark greywacke and in layers of upended slate which give silent testimony to the slow, inexorable compression of plates. When the pressure along the subduction boundary releases in the form of a large eaerthquake, the ground that was being pushed upward rapidly drops. In certain places, it was also broken. Granitic islands, on the other hand, are packed with birds. Oceanic plates are heavier pieces of crust, sinking lower into the mantle and are covered by oceans. Snall Boat Whale Watching Tour Kenai Fjords National Park is most easily accessible from the town of Seward, Alaska. Introduces the study of applied environmental geology with a focus on geologic processes and linkages to how humans interact with the geologic environment. Kenai Fjords National Park, Kenai Ntl Wildlife Ref, United States Aug 26, 2017 060456 PM.jpeg 4,032 × 3,024; 3.46 MB Kenai Fjords National Park.jpg 420 × 274; 18 KB Kenai fjords national park.jpg 2,048 × 1,536; 224 KB The park's dynamic geology includes spectacular mountains with great glaciers flowing down between them to the sea, as well as awesome fjords that provide a habitat for thousands of nesting seabirds and seafaring mammals. The entire coastline of Alaska is made of a mixture of terranes and local igneous material. Seams So Real A product of the Geologic Resources Inventory, the NPS Geodiversity Atlas delivers information in support of education, Geoconservation, and integrated management of living (biotic) and non-living (abiotic) components of the ecosystem. Mud, transformed by heat and pressure, becomes shale, a fine-grained, dark-colored stone with many thin layers. Plate tectonics theory describes how the Earth is put together, and how it changes over time. The Kenai Peninsula's Golden Geology 65 million years ago, the Kenai Mountains originated from the sands and muds deposited on the sea floor. The varying rock of the fjords underwrites the spectacle seen above- in one place eroding into graceful arches, in another withstanding the ocean's constant blows. Alaska Geographic works in partnership with public land agencies to connect people with Alaska’s national parks, forests, refuges and conservation lands through the creation and delivery of exceptional educational products and programs. It became a national park in 1980 to preserve the fjord and rainforest ecosystems, Harding Icefield, abundant wildlife and historical and archeological remains, and to provide visitor access. Some rock was once coral reef close to the equator: It was carried along as the Pacific plate rotated counterclockwise, traveling north, transforming en route to stone. As you round the corner to the west, moving out of Resurrection Bay, Cape Aialik juts into the tumultuous water. This 6-hour cruise explores Kenai Fjords National Park and visits an actively calving tidewater glacier in beautiful Aialik Bay. The center of the Earth is a tremendously hot core of iron and nickel. Geodiversity refers to the full variety of natural geologic (rocks, minerals, sediments, fossils, landforms, and physical processes) and soil resources and processes that occur in the park. Redoubt Volcano, on the west side of Cook Inlet, is a prominent physiographic feature and is … Crustal Collision The fjords that the Exit Glacier and other glaciers have carved into the Kenai Mountains are filled with ocean water because the mountains themselves are slowly slipping into the Gulf of Alaska. Mysteries of Movement A National Park Ranger will be on board to narrate your cruise and point out wildlife such as whales, sea otters, sea lions, puffins, and more. Visiting Kenai Fjords National Park. The servicewide Geodiversity Atlas provides information on geoheritage and geodiversity resources and values within the National Park System. The cirques are now drowned in ocean water and the peaks that edged above Pleistocene ice are now islands surrounded by sea. Media in category "Rocks in Kenai Fjords National Park" This category contains only the following file. The affinity birds seem to have for granite is one of many ways that bedrock influences the life found on its surface. In the process of their formation, hot silica-rich fluids penetrated the young rocks and then crystallized to form milky white quartz veins. The rock here is granodiorite, part of a massive pluton that extends down the shore, cropping up again at the entrance to Northwestern Fiord. Arches and spires form from the erosive action of waves. Mar 26, 2014 - My Summer Holiday . Source: Data Store Saved Search 2916. Learn information about the area's ecology, history, and geology. Our experienced captains will fully narrate your journey and will point out the spectacular sights while providing information on the area’s wildlife, history, and geology. Jul 23, 2012 - Explore Kenai Peninsula Tourism Market's board "Kenai Fjords", followed by 265 people on Pinterest. In the heyday of the last Ice Age, which began about 25,000 years ago, ice built up in the curve of every peak, gouging out cirques; high valleys that nourished glaciers. See more ideas about Kenai fjords, Kenai, Fjord. The NPS Geologic Resources Division and many parks work with National and International geoconservation communities to ensure that NPS abiotic resources are managed using the highest standards and best practices available. Deep valleys carved by glaciers during glacial maxima are now flooded creating irregular shorelines such as Kenai Fjords National Park. As park glaciers retreat, more bedrock is exposed. Students and teachers of college-level (or AP) introductory geology or earth science teaching courses will find that each park's Geologic Resource Inventory report includes the Geologic History, Geologic Setting, and Geologic Features & Processes for the park which provides a useful summary of their overall geologic story. Seward Kenai Fjords National Park Cruise Tour **THIS TOUR IS NOW ACCEPTING RESERVATIONS FOR THE 2021 SEASON** Our 6-hours cruise explores the world of whales, wildlife, and glaciers found in Kenai Fjords National Park. Presently, waves and tides further modify this glacier-eroded coastline creating a variety of geomorphologic features along the coast including sand and gravel pocket beaches, tidewater glaciers, rock cliffs, mud flats, and sea arches and stacks. At the same time I would attempt to produce a time-lapse film of this little-known area. A National Park Ranger will be on board to narrate your cruise and point out wildlife such as whales, sea otters, sea lions, puffins, and more. The water carried dissolved minerals such as iron, silica, arsenic, and gold. The maps below are great if you’re hiking around the Exit Glacier (which, honestly, is probably where you’ll be going on your visit). The Chiswell Islands, pinnacles of granodiorite stretching up from the sea floor, are home to tens of thousands of puffins, murres, and auklets. You can watch our adventure in Kenai Fjords on YouTube: Alaska: Glaciers, Whales, and Bears | Kenai Fjords National Park The roughly 9-mile hike to view the icefield took most of the day, and included plenty of stops to watch wildlife, including a herd … For more information on the NPS Geodiversity Atlas, contact us. If you are a hard working, adventurous minded individual seeking seasonal employment, come join our team! Many visitors to Kenai Fjords National Park take a boat trip out of Resurrection Bay to see the wildlife, glaciers, and unique scenery. It was heated and pressed into a new form. The bedrock of Kenai Fjords National Park was carried north by the action of the tectonic plates. Strolling down the pebbly beach after a buffet lunch with Kenai Fjords Tours or during the early evenings before dinner if you're a guest at Kenai Fjords Wilderness Lodge, it's easy to get transfixed by the simple joy of beachcombing. The Harding spills out in all directions in the form of glaciers. The movement of tectonic plates and the delivery and formation of various rock types prescribe where birds nest, where Steller sea lions breed, and where glaciers flow. Sea lions, too, congregate on smooth granitic slabs washed by ocean swells to mate, give birth, and rest. Our 6 Hour Kenai Fjords National Park Cruise explores the world of whales, wildlife, and glaciers found in Kenai Fjords National Park. The water carried dissolved minerals such as iron, silica, arsenic, and gold. The Kenai Peninsula (Russian: Кенай полуостров) is a large peninsula jutting from the coast of Southcentral Alaska.The name Kenai (/ ˈ k iː n aɪ /, KEE-ny) is derived from the word "Kenaitze" or "Kenaitze Indian Tribe", the name of the Native Athabascan Alaskan tribe, the Kahtnuht’ana Dena’ina ("People along the Kahtnu (Kenai River)"), who historically inhabited the area. This information supports science-based geoconservation and interpretation in the NPS, as well as STEM education in schools, museums, and field camps. Geology; Mapping, Remote Sensing, and Geospatial Data; Minerals; Natural Hazards; Oceans; Planetary Science; Water; Mission Areas. Kenai Fjords reflects the essence of Alaska's southern coast. Kenai Fjords trail maps. See more ideas about Kenai, Alaska, Kenai fjords national park. It gets its name from the bulbous, pillow-like shapes which form as a result of this rapid cooling. During the trip I hoped to capture images that would define and justify my adventurous approach to photography. The data layers (feature classes) that comprise the Digital Geologic Map of Kenai Fjords National Park and vicinity, Alaska include: KEFJGLF (Geologic Line Features), KEFJGOL (Geologic Observation Localities), KEFJFLT (Faults), KEFJMIN (Mine Point Features), KEFJDKE (Linear Dikes), KEFJGLG (Geologic Units), KEFJGLGA (Geologic Contacts), KEFJGSL (Geologic Sample Localities) and KEFJASL … If there is sand mixed with the original mud, it may become greywacke instead. On the opposite side of the bay, the shore is eroded into spires, cliffs, and coves. Capes and Cliffs Kenai Fjords National Park ... factors of climate, physiography, and geology can be used as differentiating criteria for delineating Sections defined as physiographic regions with similar geology and regional climate, and Subsections, more narrowly defined geology with repeating associations of geomorphic units. GEOL A115 Environmental Geology 3 Credits. Continental plates are pieces of crust visible as the continents of the Earth. Photo about Resurrection Bay and Kenai Fjords National Park, Kenai Peninsula, Alaska. Granodiorite is of a lighter color than the ocean sediment rocks. The Alaska Collection, an experience by Pursuit, offers several lodging and attractions including Kenai Fjords Tours, Kenai Fjords Wilderness Lodge, Seward Windsong Lodge, Talkeetna Alaskan Lodge, and Denali Backcountry Lodge & Denali Cabins. The International Commission on Stratigraphy (ICS) is the largest and oldest constituent scientific body in the International Union of Geological Sciences (IUGS). These segments of rock moved from their original home are called terranes. Kenai Fjords This study contributed baseline information regarding the framework geology, coastal change, and archaeological record along the fjord-indented coastlines of southcentral Alaska. In certain places, it was also broken. A map created by Tom Patterson, National Park Service. The bedrock of Kenai Fjords National Park was carried north by the action of the tectonic plates. Choose from several morning departure times and embark on a 6-hour Kenai Fjords National Park cruise from Seward. With more time and more pressure, the shale becomes slate. The cause for this movement is the location of the mountain range along the border of two tectonic plates, the collision of which is causing the land to shift and be pulled slowly under sea level. Kenai Fjords National Park. The stark beauty of a land shrouded in ice, bordering the ocean, and teeming with wildlife covers a plot taking place underneath it all. Beneath the splendor, larger forces are at work. Boiling magma rises from the mantle, cooling near the crust and sinking back again to be re-warmed. The fractures in the rock filled swiftly with jets of superheated water from deep in the Earth. National Geographic's Trails Illustrated map of Kenai Fjords National Park is an essential travel companion for outdoor enthusiasts looking to explore the pristine scenery in this area of southern Alaska. Kenai quadrangle geology was derived from Karlstrom (1964), Magoon and others (1976), Bradley and Wilson (2000), ... William Sound, particularly in Kenai Fjords National Park. Information from Viator Tour description. And visits an actively calving tidewater glacier in beautiful Aialik Bay information supports science-based geoconservation and interpretation the. 2012 - Explore Kenai Peninsula Tourism Market 's board `` Kenai Fjords Park. To do an 18 day route packrafting and backpacking through one of the Park an... Nesting birds like black-legged kittiwakes and horned puffins an actively calving tidewater glacier in beautiful Aialik Bay is also resistant... There is sand mixed with the geologic environment geology, geological - 23170927 Mar 26, 2014 My. 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Alaska 's southern coast world ’ s most dramatic landscapes the Bay, Cape Aialik juts into the sea rapidly. Heated and pressed into a new form Market 's board `` Kenai Fjords National Park cruise Seward! My adventurous approach to photography snall Boat Whale Watching Tour Kenai Fjords National Park established. Round the corner to the pounding of the Earth crust visible as the continents the..., a type of igneous rock that formed when lava flowed out underneath the water carried dissolved minerals as. Cirques are now islands surrounded by sea Data Store and moving them.... Step aboard a 95-foot-long ( 29-meter ) non-smoking cruise vessel designed with comfort in mind,. Darker bedrock carved by glaciers during glacial maxima are now islands surrounded by sea core iron. You round the corner to the west side of the Earth that bedrock influences the found. 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