نتایج جستجو برای: oscillatory zoning

تعداد نتایج: 24035  

Journal: :Geology, Geophysics and Environment 2021

The Tsäkkok Lens of the Seve Nappe Complex in Scandinavian Caledonides comprises eclogite bodies hosted within metasedimentary rocks. These rocks are thought to be derived from outermost margin Baltica along periphery Iapetus Ocean, but detrital records sedimentary lacking.Many outcrops lens expose both well-foliated metapelitic and massive calc-silicates. contacts between these two lithologies...

Journal: :Journal Of Geophysical Research: Solid Earth 2023

The texture and morphology of igneous zircon indicates magmatic conditions during crystallization can be used to constrain provenance. Zircons from porphyry copper deposits are typically prismatic, euhedral, strongly oscillatory zoned which may differentiate them zircons associated with unmineralized systems. Here, cathodoluminescence images the Quellaveco district, Southern Peru, were collecte...

Journal: :Minerals 2021

In situ analyses of trace elements and rare-earth (REEs) were performed by use laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) on scheelite samples from the Yingzuihongshan tungsten deposit in western Inner Mongolia Autonomous Region, China. The contents Nb, Ta Mo indicate that ore-forming fluid is magmatic hydrotherm exsolved highly fractionated granitic melt. has high ...

1997
William H. Hoyt

Court decisions in the past twenty years such as Southern Burlington County NAACP v. Mount Laurel Associated, as well recent legislation, have made exclusionary zoning laws based on race illegal and have limited, at least in many states, the legality of exclusionary zoning based on income. While there may be a number of reasons for the use of exclusionary or fiscal zoning, an economic rationale...

Journal: :Contributions to Mineralogy and Petrology 2021

Abstract Arc magmas typically contain phenocrysts with complex zoning and diverse growth histories. Microlites highlight the same level of intracrystalline variations but require nanoscale resolution which is globally less available. The southern Taupo Volcanic Zone (TVZ), New Zealand, has produced a wide range explosive eruptions yielding glassy microlite-bearing tephras. Major oxide analyses ...

Journal: :Trans. GIS 2013
Alex Hagen-Zanker Ying Jin

Adaptive zoning is a recently introduced method for improving computer modeling of spatial interactions and movements in the transport network. Unlike traditional zoning, where geographic locations are defined by one single universal plan of discrete land parcels or ‘zones’ for the study area, adaptive zoning establishes a compendium of different zone plans, each of which is applicable to one j...

2004
Abigail M. York Darla K. Munroe

The impact of growth management policy through zoning ordinances on land-use and -cover change is a topic of increasing interest, especially with regard to urban sprawl and forest and agricultural land preservation. As urban and residential land use is quickly replacing extractive land use in southern Indiana, implementation of growth management policy has become a topic of great debate. This a...

Journal: :IJITWE 2009
Perfecto Mariño Espiñeira Fernando Pérez-Fontán Miguel Angel Domínguez Santiago Otero

Biological research in agriculture needs a lot of specialized electronic sensors in order to fulfill different goals, like as: climate monitoring, soil and fruit assessment, control of insects and diseases, chemical pollutants, identification and control of weeds, crop tracking, and so on. That research must be supported by consistent biological models able to simulate diverse environmental con...

2010
Moira L Zellner Rick L Riolo Daniel G Brown Luis E Fernandez

An important debate in the literature on exurban sprawl is whether low-density development results from residential demand, as operationalized by developers, or from exclusionary zoning policies. Central to this debate is the purpose of zoning, which could alternatively be a mechanism to increase the utility of residents by separating land uses and reducing spillover effects of development, or ...

2006
Cinthia O. de A. Freitas Luiz S. Oliveira Edson Justino Simone B. K. Aires

The contribution of this paper is twofold. First we investigate the use of the confusion matrices in order to get some insight to better define perceptual zoning for character recognition. We will see that this idea can be used as a tool to support the design of zoning. The features considered in this work are based on concavities/convexities deficiencies, which are obtained by labeling the bac...

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