Results 1 to 10 of about 5,235,811 (54)
Some of the next articles are maybe not open access.

Will subglacial rhyolite eruptions be explosive or intrusive? Some insights from analytical models. [PDF]

open access: yes, 2007
Simple analytical models of subglacial eruptions are presented, which simulate evolving subglacial cavities and volcanic edifices during rhyolitic eruptions beneath temperate glaciers.
Gilbert, Jennie S.   +2 more
core   +5 more sources

SHRIMP ion probe zircon geochronology and Sr and Nd isotope geochemistry for southern Longwood Range and Bluff Peninsula intrusive rocks of Southland, New Zealand [PDF]

open access: yes, 2006
Permian–Jurassic ultramafic to felsic intrusive complexes at Bluff Peninsula and in the southern Longwood Range along the Southland coast represent a series of intraoceanic magmatic arcs with ages spanning a time interval of 110 m.y.
Ireland, Trevor R.   +7 more
core   +1 more source

Composition and conditions of ilmenite and titanomagnetite ore formation in two-pyroxene gabbro of Medvedevskoe deposit (Southern Urals). II. Staging of ore genesis as a result of evolution of ore-bearing melt

open access: yesЛитосфера, 2016
On the base of new petrochemical and geochemical data with specificity in the compositions of rock-forming and ore minerals was determined the conditions of formation of Ti-Fe-V mineralization in the two-pyroxene gabbro of Medvedevskoe deposit.
V. V. Holodnov   +3 more
doaj   +2 more sources

Composition and formation conditions of ilmenite and titanomagnenite mineralization in two-pyroxene gabbro Medvedevskoje deposit (Southern Urals). I. Petrochemical and geochemical characteristics of rocks and ores

open access: yesЛитосфера, 2015
In this paper based on new petrochemical and geochemical data with specificity in the compositions of rock-forming and ore minerals were determine the conditions of formation of Ti-Fe-V mineralization in the two-pyroxene gabbro of Medvedevskoje deposit ...
V. V. Holodnov   +3 more
doaj   +2 more sources

Intrusive growth of sclerenchyma fibers [PDF]

open access: yes, 2010
Intrusive growth is a type of cell elongation when the rate of its longitudinal growth is higher than that of surrounding cells; therefore, these cells intrude between the neighboring cells penetrating the middle lamella.
Chernova, T.E.   +5 more
core   +1 more source

Genesis of the Paleoproterozoic Ammassalik Intrusive Complex, south-east Greenland

open access: yes, 2022
The Paleoproterozoic Ammassalik Intrusive Complex of south-east Greenland is located at the margin between the Rae Craton to the north and the North Atlantic Craton to the south.
Árting, Trygvi Bech   +8 more
core   +1 more source

Intrusive cognitions, anxiety and cancer [PDF]

open access: yes, 2008
Since the recognition (DSM-IV; American Psychiatric Association, 1994) of life-threatening illnesses as a stressor that can precipitate posttraumatic stress disorder (PTSD), research has focussed on the issue of PTSD following cancer.
Whitaker, K.L., Whitaker, K L
core  

Mineralogy and Petrology of an Olivine Diabase Sill Complex and Associated Unusually Potassic Granophyres, Sierra Ancha, Central Arizona [PDF]

open access: yes, 1969
The Precambrian Sierra Ancha sill complex, 700 to 800 feet thick, was intruded into flat-lying sedimentary rocks of the Apache Group in central Arizona. The bulk of the complex consists of a central layer of feldspathic olivine-rich diabase and upper and
Smith, Douglas
core   +1 more source

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