when i mount a partition (as userid 1001), the mount point changes ownership from root to the user with UID 1000. working with a fresh install of ubuntu 12.04

Fresh install of ubuntu 12.04
only other thing i installed is GNOME

rencie@Cuckoo:/$ sudo mkdir /FAT
rencie@Cuckoo:/$ ls -l /
...
...
drwxr-xr-x 2 root root 4096 Apr 28 18:13 FAT

rencie@Cuckoo:/$ sudo mount -t vfat /dev/sdb5 /FAT
rencie@Cuckoo:/$ ls -l /
...
...
drwx------ 10 shomas shomas 65536 Dec 31 1969 FAT

rencie@Cuckoo:/$ tail -n3 /etc/passwd
shomas:x:1000:1000:Keith,,,:/home/shomas:/bin/bash
rencie:x:1001:1001:Florence,,,:/home/rencie:/bin/bash
gdm:x:115:125:Gnome Display Manager:/var/lib/gdm:/bin/false

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: udisks 1.0.4-5ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic-pae 3.2.14
Uname: Linux 3.2.0-24-generic-pae i686
ApportVersion: 2.0.1-0ubuntu7
Architecture: i386
CurrentDmesg: Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order /var/log/dmesg -'] failed with exit code 1: comm: /var/log/dmesg: Permission denied
Date: Sat Apr 28 18:46:09 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
MachineType: Acer AO532h
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-24-generic-pae root=UUID=ba2af12f-7bb4-479c-b1e7-d83614e6da44 ro quiet splash vt.handoff=7
SourcePackage: udisks
Symptom: storage
Title: No permission to access files on storage device
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/04/2010
dmi.bios.vendor: Acer
dmi.bios.version: V1.12
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: AO532h
dmi.board.vendor: Acer
dmi.board.version: V1.12
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.12
dmi.modalias: dmi:bvnAcer:bvrV1.12:bd01/04/2010:svnAcer:pnAO532h:pvrV1.12:rvnAcer:rnAO532h:rvrV1.12:cvnAcer:ct10:cvrV1.12:
dmi.product.name: AO532h
dmi.product.version: V1.12
dmi.sys.vendor: Acer