1-20 OF 167 RESULTS FOR

Northampton Complex

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article
Journal: Lithosphere
Published: 01 February 2017
Lithosphere (2017) 9 (1): 3-13.
...Vanessa Markwitz; Christopher L. Kirkland; Noreen J. Evans Abstract The Mesoproterozoic Pinjarra Orogen formed when present-day India and Australia amalgamated to form Gondwana. Outcrop of the Pinjarra Orogen is limited to the Leeuwin, Mullingarra, and Northampton Complexes, which are exposed...
FIGURES
Series: DNAG, Centennial Field Guide
Published: 01 January 1988
DOI: 10.1130/0-8137-5406-2.217
EISBN: 9780813754123
Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP451.2
EISBN: 9781786203328
... of the normalized Fourier coefficients (i.e. power spectrum) excluding the mean (‘dc’) zero-frequency coefficient. The positive and negative frequency coefficients are complex conjugates, and the FFT divides the variance (power) of each frequency equally between the positive and negative components...
FIGURES
Journal Article
Published: 01 February 1987
Canadian Journal of Earth Sciences (1987) 24 (2): 279-290.
... of the Summit County morainic complex. Northampton ice then readvanced over deposits of proglacial Lake Independence and formed the Defiance Moraine. Aside from minor leaching of carbonates and weathering of clay minerals, little evidence of the Farmdalian Substage exists. Woodfordian, Kent, Lavery, and Hiram...
Journal Article
Journal: Geology
Published: 01 July 2011
Geology (2011) 39 (7): 615-618.
...) as a cuspate barrier spit consisting of a broad, terraced northern ridge, and a narrow, steep southern ridge separated by a branching tidal channel opening into Exuma Sound ( Fig. 1 ). Well-exposed rocks of the southern ridge represent the windward flank of the Holocene dune-ridge complex composed of ooid...
FIGURES
Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP451.5
EISBN: 9781786203328
... map similar to that in England, possibly, in part, due to the complex underlying geology, although a new map was published in Green et al. (2009) . Peart et al. (2003) reported the results of an airborne geophysical survey, HiRes-1 (High Resolution airborne Resource and Environmental Survey...
FIGURES | View All (5)
Journal Article
Published: 01 April 2012
Journal of Foraminiferal Research (2012) 42 (2): 151-155.
...Laura Wegener Parfrey; Jessica Grant; Laura A. Katz Abstract Genomic content varies over the course of the life cycle in many lineages across the eukaryotic tree of life. Such variation is thought to be widespread in Foraminifera, a microbial lineage within the Rhizaria, as complex nuclear dynamics...
FIGURES
Series: Geological Society, London, Special Publications
Published: 01 January 2010
DOI: 10.1144/SP329.14
EISBN: 9781862395770
... events. Phase iv is related to uplift and unroofing of the Anaran Anticline and a progressive cooling of the system. Outcrop data record the development of complex, well connected, three-dimensional dolomite reservoir bodies controlled by fractures (joints and faults), facies/stratal...
FIGURES | View All (37)
Journal Article
Published: 01 March 2011
Journal of Paleontology (2011) 85 (2): 353-359.
... and lack complex structure. The only apparent structure present is that of thin laminations, on a micrometer scale, parallel to the tube wall ( Fig. 4.2 ). The Thorn Hill section on Clinch Mountain in Tennessee, commonly referred to as a “classic” stratigraphic section of Paleozoic strata...
FIGURES | View All (5)
Journal Article
Journal: PALAIOS
Published: 01 October 2012
PALAIOS (2012) 27 (10): 693-706.
... shells. In the Italian strata, however, buildups form large reef complexes up to several hundreds of meters thick, dwarfing the Holocene bioherm formations in the Enriquillo Valley. Interpreted to have formed in a mesosaline marine environment under eutrophic and low oxygen conditions and in an area...
FIGURES | View All (11)
Journal Article
Published: 01 March 2014
Journal of Paleontology (2014) 88 (2): 299-308.
...Francis A. Macdonald; Sara B. Pruss; Justin V. Strauss A bstract Here we describe large, complex trace fossils in the late Ediacaran Omkyk Member of the Zaris Formation, Nama Group, southern Namibia. The horizontal trace fossils are preserved on a number of talus blocks from a bedding plane of a cm...
FIGURES | View All (6)
Journal Article
Journal: PALAIOS
Published: 01 August 2000
PALAIOS (2000) 15 (4): 273-292.
...CONSTANCE M. SOJA; BRIAN WHITE; ANNA ANTOSHKINA; STACEY JOYCE; LISA MAYHEW; BRIAN FLYNN; ALLISON GLEASON Abstract In Glacier Bay, Alaska, Silurian limestones record the development and demise of a stromatolite reef complex in the Alexander terrane. These microbial deposits are of regional...
FIGURES | View All (16)
Journal Article
Journal: Geology
Published: 01 January 2012
Geology (2012) 40 (1): 67-70.
... that various morphologically modern protists thrived in microbially dominated ecosystems, and contributed to the cycling of carbon in Neoproterozoic oceans much before the rise of complex animals. Samples (∼20 g) of coarsely fragmented microbialaminites were placed in 10% HCl in clean containers overnight...
FIGURES
Series: GSA Special Papers
Published: 01 January 2004
DOI: 10.1130/0-8137-2377-9.227
... Integrated studies by Keck Geology Consortium participants have generated many new insights into the Precambrian geology of the Tobacco Root Mountains. We have clarified the tectonic setting and origin of two suites of metamorphic rocks: (1) a quartzofeldspathic gneiss complex with associated...
Series: Geological Society, London, Special Publications
Published: 01 January 2000
DOI: 10.1144/GSL.SP.2000.171.01.20
EISBN: 9781862394193
... were environmental, social, political and economic, and were buffered by a complex support system and social obligations, which operated across wide areas. These features can be seen to have occurred, with varying degrees of success, throughout the historical period. In times of subsistence crisis...
FIGURES
Series: Geological Society, London, Special Publications
Published: 01 January 2000
DOI: 10.1144/GSL.SP.2000.171.01.22
EISBN: 9781862394193
... reasons to suggest that the report of the Gleichberg eruption was a complex hoax, written to exploit the fear and panic generated by the dry fog present over much of Europe at the same time, which had its origins in the Laki fissure eruption. Geologically, the Gleichberg forms part of the Grabfeld...
FIGURES
Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP451.11
EISBN: 9781786203328
... of this complex natural – and anthropogenic – phenomenon improves and advances. It is clear that the papers in this volume bring new data, methods and insights that are of considerable interest to scientists working on radon as a hazard and hazard-diagnostic in the built and natural environments...
Journal Article
Journal: PALAIOS
Published: 09 October 2018
PALAIOS (2018) 33 (10): 441-450.
... al. 2014 ). Although modern diagenetic studies indicate that redox oscillations may have promoted complex dynamic changes in the availability of oxidants and in pore water pH ( Zhu et al. 2006 ), low pore-water SO 4 2- may have been a key prerequisite that helped promote the formation of apatite...
FIGURES | View All (5)
Journal Article
Journal: PALAIOS
Published: 19 December 2017
PALAIOS (2017) 32 (12): 769-778.
.... Such structures occurred in eight of the 12 samples. Samples with distinct morphological characteristics were imaged using a scanning electron microscope (FEI Quanta 450, Smith College, Northampton, MA). Before imaging, samples were placed on 12.7 mm diameter SEM stubs (Ted Pella Inc., Product #16111, Redding...
FIGURES | View All (6)
Journal Article
Journal: Geology
Published: 01 June 2002
Geology (2002) 30 (6): 563-566.
... succession dominated by slates and carbonate clast conglomerates exposed east of the Champlain thrust complex in northwestern Vermont ( Cady, 1945 ; Landing, 1983 ). In western-central Vermont these deposits grade into coeval platform carbonates of the western shelf succession ( Rodgers, 1968 ). A >...
FIGURES