User:Jerrch

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Jerrch,

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Today's featured article

Union gunboats bombarding Confederate defenses
Union gunboats bombarding Confederate defenses

The Battle of Grand Gulf was fought on April 29, 1863, during the American Civil War. Union Army forces commanded by Ulysses S. Grant had failed several times to bypass or capture the Confederate-held city of Vicksburg, Mississippi. Grant decided to move his army south of Vicksburg, cross the Mississippi River, and then advance on the city. A Confederate division under John S. Bowen prepared defenses—Forts Wade and Cobun—at Grand Gulf, Mississippi. To clear the way for a Union crossing, seven ironclad warships from the Mississippi Squadron of the Union Navy commanded by Admiral David Dixon Porter bombarded the Confederate defenses at Grand Gulf. Union fire silenced Fort Wade, but the overall Confederate position held. Grant decided to cross the river elsewhere. The next day, Union forces crossed the river at Bruinsburg, Mississippi. The position at Grand Gulf was abandoned and became a Union supply point. The Grand Gulf battlefield is preserved in Grand Gulf Military State Park. (Full article...)

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April 29

HMS Endeavour
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Sphalerite

Sphalerite is a sulfide mineral with the chemical formula (Zn,Fe)S. It is found in a variety of deposit types, and is found in association with galena, chalcopyrite, pyrite (and other sulfides), calcite, dolomite, quartz, rhodochrosite, and fluorite. Sphalerite is an important ore of zinc, with around 95 percent of all primary zinc extracted from its ore. Due to its variable trace-element content, sphalerite is also an important source of several other metals such as cadmium, gallium, germanium and indium. The zinc in sphalerite is also used to produce brass. This sample was extracted in Creede, Colorado, and features black tetrahedral crystals of sphalerite up to 8 mm (0.31 in) in size, with minor chalcopyrite and calcite, in a 4.5 cm × 3.0 cm × 2.0 cm (1.77 in × 1.18 in × 0.79 in) matrix. This photograph was focus-stacked from 125 separate images.

Photograph credit: Ivar Leidus


Projects[edit]

WikiProject Taiwan
WikiProject Baseball
WikiProject Biography
Counter-Vandalism Unit
WikiProject Military history
WikiProject The Simpsons

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Jerrch
666,702nd Wikipedian
Personal details
NationalityTaiwanese
Political partyDem. Progressive Party
Residence(s)Virginia, United States
Rank Language Pages Edits
1 English 70 10 730
2 Chinese 1 270
3 Spanish 2 15
4 Japanese 0 5
5 Italian 1 0


Awards[edit]

I, Folic Acid, award this Republic of China Barnstar to Jerrch for his tireless work in expanding and updating all Taiwan-related articles. Keep up the good work!
I, The4325, award you this barnstar for your contributions.
I, Loren, award you, Jerrch, this Cool Cucumber for maintaining your cool in difficult debate situations.