John milton research paper

This project seeks to utilize the Re-Os isochron method on sulphides to determine precise ages for two classes of metal deposits in WA: . VHMS Zn-Pb-Cu deposits and orogenic gold deposits. Selected VHMS deposits from the Murchison (Golden Grove, Scuddles), eastern Yilgarn (Jaguar, Nimbus) and Pilbara (Sulphur Springs) will be studied as part of this project. The ages of mineralization for only two orogenic gold deposits in WA have been determined using the Re-Os isochron method on sulphides: at Sunrise Dam and Tropicana. The former example states an age uncertainty of +/-6 Ma and provides encouragement that ages, with precision similar to that gleaned from the U-Pb and Ar-Ar methods, are achievable. This project will seek Re-Os isochron ages on sulphides for undated deposits in the western Yilgarn (. Boddington, Murchison), to build a comparative database to the eastern Yilgarn: . ∼20 dated deposits using mainly ore-associated phosphates. The Re-Os ages will be complemented by U-Pb and Ar-Ar data to establish a 4D framework, where appropriate.
As part of the development of the Re-Os method in the John de Laeter Centre, we have recently determined a Re-Os age for molybdenite from the Central Bore gold prospect within the Yamarna terrain, in the eastern Yilgarn craton (Fuller et al., AESC proceedings, Newcastle, 2014). Here, gold is closely associated with molybdenite and is found in veins and inclusions in molybdenite. The Re-Os molybdenite age was 2620±10 Ma, which is compatible with U-Pb hydrothermal titanite ages from the same samples and slightly younger than zircon ages of hosting felsic volcanics (2677±7 Ma) and a minimum age for sandstone (2682±5 Ma) from the Yamarna terrain. It is also close to the timing of the gold deposition event (2640-2630 Ma) recorded at Kalgoorlie (Vielreicher et al., 2010), which is the youngest known mineralization event in the EGP (Vielreicher et al., in prep.). This pilot study suggests confirmation of the robust nature of Re-Os geochronometer in molybdenite and its potential application in WA, where molybdenite occurs.
Moreover, we recently performed a collaborative project with Russian Academy of Sciences in order to date the Olimpiada gold deposit using arsenopyrites. The reasonable isochron model age of 689±28 Ma was obtained (Borisenko et al., Acta Geol Sin, 2014), which is compatible with host rocks geochronology. PPrevious work of Dr Tessalina included determining isochron model ages on pyrite separates for several Urals VHMS deposits (., Gannoun et al., 2003 Chem Geol; Tessalina et al, 2008 OGR). In addition, JdLC Director Professor Brent McInnes was previously a Project Leader on AMIRA P563 Re-Os Geochronology of Ore Systems (1999-2002: $320,000), an industry-ARC sponsored project that investigated the application of Re-Os isotope systematics in major ore deposits around the globe (McInnes et al., 1999, 2004 and 2008). This project generated research results for the Mount Morgan Cu-Au deposit in Queensland (Unpublished AMIRA P563 Final Report 2003).

In April 1863, Lincoln sent Hay to the Union-occupied South Carolina coast to report back on the ironclad vessels being used in an attempt to recapture Charleston Harbor. Hay then went on to the Florida coast. [32] He returned to Florida in January 1864, after Lincoln had announced his Ten Percent Plan , that if ten percent of the 1860 electorate in a state took oaths of loyalty and to support emancipation, they could form a government with federal protection. Lincoln considered Florida, with its small population, a good test case, and made Hay a major , [c] sending him to see if he could get sufficient men to take the oath. Hay spent a month in the state during February and March 1864, but Union defeats there reduced the area under federal control. Believing his mission impractical, he sailed back to Washington. [33] [34]

If thou beest he; But O how fall'n ! how chang'd
From him, who in the happy Realms of Light [ 85 ]
Cloth'd with transcendent brightness didst out-shine
Myriads though bright: If he Whom mutual league,
United thoughts and counsels, equal hope
And hazard in the Glorious Enterprize ,
Joynd with me once, now misery hath joynd [ 90 ]
In equal ruin: into what Pit thou seest
From what highth fall'n , so much the stronger prov'd
He with his Thunder: and till then who knew
The force of those dire Arms? yet not for those,
Nor what the Potent Victor in his rage [ 95 ]
Can else inflict, do I repent or change,
Though chang'd in outward lustre ; that fixt mind
And high disdain, from sence of injur'd merit,
That with the mightiest rais'd me to contend,
And to the fierce contention brought along [ 100 ]
Innumerable force of Spirits arm'd
That durst dislike his reign, and me preferring,
His utmost power with adverse power oppos'd
In dubious Battel on the Plains of Heav'n ,
And shook his throne. What though the field be lost? [ 105 ]
All is not lost; the unconquerable Will,
And study of revenge, immortal hate,
And courage never to submit or yield:
And what is else not to be overcome?
That Glory never shall his wrath or might [ 110 ]
Extort from me. To bow and sue for grace
With suppliant knee, and deifie his power,
Who from the terrour of this Arm so late
Doubted his Empire, that were low indeed,
That were an ignominy and shame beneath [ 115 ]
This downfall ; since by Fate the strength of Gods
And this Empyreal substance cannot fail,
Since through experience of this great event
In Arms not worse, in foresight much advanc't ,
We may with more successful hope resolve [ 120 ]
To wage by force or guile eternal Warr
Irreconcileable, to our grand Foe,
Who now triumphs, and in th' excess of joy
Sole reigning holds the Tyranny of Heav'n .

John milton research paper

john milton research paper

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